Home / 10,866.90-14,997.51-6,151.47

Finding the Fourth Proportional to 10,866.90, 14,997.51 and 6,151.47

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Solution

The fourth proportional to 10,866.90, 14,997.51 and 6,151.47 is: 8,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.90 : 14,997.51 = 6,151.47 : x
  2. Step 2: Convert to fraction form
    10,866.90/14,997.51 = 6,151.47/x
  3. Step 3: Cross multiply
    10,866.90x = 14,997.51 × 6,151.47
  4. Step 4: Simplify right side
    10,866.90x = 92,256,732.84
  5. Step 5: Solve for x
    x = 92,256,732.84/10,866.90
  6. Step 6: Final answer
    x = 8,489.70

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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.