Home / 10,587.11-15,869.12-5,644.49

Finding the Fourth Proportional to 10,587.11, 15,869.12 and 5,644.49

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Solution

The fourth proportional to 10,587.11, 15,869.12 and 5,644.49 is: 8,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.11 : 15,869.12 = 5,644.49 : x
  2. Step 2: Convert to fraction form
    10,587.11/15,869.12 = 5,644.49/x
  3. Step 3: Cross multiply
    10,587.11x = 15,869.12 × 5,644.49
  4. Step 4: Simplify right side
    10,587.11x = 89,572,981.58
  5. Step 5: Solve for x
    x = 89,572,981.58/10,587.11
  6. Step 6: Final answer
    x = 8,460.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.