Home / 9,148.76-12,625.14-5,169.63

Finding the Fourth Proportional to 9,148.76, 12,625.14 and 5,169.63

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Solution

The fourth proportional to 9,148.76, 12,625.14 and 5,169.63 is: 7,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.76 : 12,625.14 = 5,169.63 : x
  2. Step 2: Convert to fraction form
    9,148.76/12,625.14 = 5,169.63/x
  3. Step 3: Cross multiply
    9,148.76x = 12,625.14 × 5,169.63
  4. Step 4: Simplify right side
    9,148.76x = 65,267,302.50
  5. Step 5: Solve for x
    x = 65,267,302.50/9,148.76
  6. Step 6: Final answer
    x = 7,134.01

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Half scale
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Double scale
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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.