Home / 12,708.02-17,523.34-10,690.92

Finding the Fourth Proportional to 12,708.02, 17,523.34 and 10,690.92

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Solution

The fourth proportional to 12,708.02, 17,523.34 and 10,690.92 is: 14,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.02 : 17,523.34 = 10,690.92 : x
  2. Step 2: Convert to fraction form
    12,708.02/17,523.34 = 10,690.92/x
  3. Step 3: Cross multiply
    12,708.02x = 17,523.34 × 10,690.92
  4. Step 4: Simplify right side
    12,708.02x = 187,340,599.35
  5. Step 5: Solve for x
    x = 187,340,599.35/12,708.02
  6. Step 6: Final answer
    x = 14,741.92

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Half scale
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Double scale
Find fourth proportional to 12,709.02, 17,524.72 and 10,691.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.