Home / 10,632.80-14,670.72-6,156.44

Finding the Fourth Proportional to 10,632.80, 14,670.72 and 6,156.44

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Solution

The fourth proportional to 10,632.80, 14,670.72 and 6,156.44 is: 8,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.80 : 14,670.72 = 6,156.44 : x
  2. Step 2: Convert to fraction form
    10,632.80/14,670.72 = 6,156.44/x
  3. Step 3: Cross multiply
    10,632.80x = 14,670.72 × 6,156.44
  4. Step 4: Simplify right side
    10,632.80x = 90,319,407.44
  5. Step 5: Solve for x
    x = 90,319,407.44/10,632.80
  6. Step 6: Final answer
    x = 8,494.41

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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.