Home / 10,869.59-15,001.43-6,153.86

Finding the Fourth Proportional to 10,869.59, 15,001.43 and 6,153.86

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Solution

The fourth proportional to 10,869.59, 15,001.43 and 6,153.86 is: 8,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.59 : 15,001.43 = 6,153.86 : x
  2. Step 2: Convert to fraction form
    10,869.59/15,001.43 = 6,153.86/x
  3. Step 3: Cross multiply
    10,869.59x = 15,001.43 × 6,153.86
  4. Step 4: Simplify right side
    10,869.59x = 92,316,594.24
  5. Step 5: Solve for x
    x = 92,316,594.24/10,869.59
  6. Step 6: Final answer
    x = 8,493.11

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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.