Home / 11,066.10-15,269.49-6,349.47

Finding the Fourth Proportional to 11,066.10, 15,269.49 and 6,349.47

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Solution

The fourth proportional to 11,066.10, 15,269.49 and 6,349.47 is: 8,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.10 : 15,269.49 = 6,349.47 : x
  2. Step 2: Convert to fraction form
    11,066.10/15,269.49 = 6,349.47/x
  3. Step 3: Cross multiply
    11,066.10x = 15,269.49 × 6,349.47
  4. Step 4: Simplify right side
    11,066.10x = 96,953,168.67
  5. Step 5: Solve for x
    x = 96,953,168.67/11,066.10
  6. Step 6: Final answer
    x = 8,761.28

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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.