Home / 10,587.50-15,882.97-4,345.83

Finding the Fourth Proportional to 10,587.50, 15,882.97 and 4,345.83

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Solution

The fourth proportional to 10,587.50, 15,882.97 and 4,345.83 is: 6,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.50 : 15,882.97 = 4,345.83 : x
  2. Step 2: Convert to fraction form
    10,587.50/15,882.97 = 4,345.83/x
  3. Step 3: Cross multiply
    10,587.50x = 15,882.97 × 4,345.83
  4. Step 4: Simplify right side
    10,587.50x = 69,024,665.79
  5. Step 5: Solve for x
    x = 69,024,665.79/10,587.50
  6. Step 6: Final answer
    x = 6,519.45

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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.