Home / 10,869.66-15,001.47-6,153.84

Finding the Fourth Proportional to 10,869.66, 15,001.47 and 6,153.84

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Solution

The fourth proportional to 10,869.66, 15,001.47 and 6,153.84 is: 8,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,869.66 : 15,001.47 = 6,153.84 : x
  2. Step 2: Convert to fraction form
    10,869.66/15,001.47 = 6,153.84/x
  3. Step 3: Cross multiply
    10,869.66x = 15,001.47 × 6,153.84
  4. Step 4: Simplify right side
    10,869.66x = 92,316,646.14
  5. Step 5: Solve for x
    x = 92,316,646.14/10,869.66
  6. Step 6: Final answer
    x = 8,493.06

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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.