Home / 10,870.43-15,001.07-6,154.47

Finding the Fourth Proportional to 10,870.43, 15,001.07 and 6,154.47

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Solution

The fourth proportional to 10,870.43, 15,001.07 and 6,154.47 is: 8,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870.43 : 15,001.07 = 6,154.47 : x
  2. Step 2: Convert to fraction form
    10,870.43/15,001.07 = 6,154.47/x
  3. Step 3: Cross multiply
    10,870.43x = 15,001.07 × 6,154.47
  4. Step 4: Simplify right side
    10,870.43x = 92,323,604.51
  5. Step 5: Solve for x
    x = 92,323,604.51/10,870.43
  6. Step 6: Final answer
    x = 8,493.10

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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.