Home / 10,216.68-14,098.15-5,740.08

Finding the Fourth Proportional to 10,216.68, 14,098.15 and 5,740.08

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Solution

The fourth proportional to 10,216.68, 14,098.15 and 5,740.08 is: 7,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.68 : 14,098.15 = 5,740.08 : x
  2. Step 2: Convert to fraction form
    10,216.68/14,098.15 = 5,740.08/x
  3. Step 3: Cross multiply
    10,216.68x = 14,098.15 × 5,740.08
  4. Step 4: Simplify right side
    10,216.68x = 80,924,508.85
  5. Step 5: Solve for x
    x = 80,924,508.85/10,216.68
  6. Step 6: Final answer
    x = 7,920.82

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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.