Home / 10,098.87-15,148.31-4,545.72

Finding the Fourth Proportional to 10,098.87, 15,148.31 and 4,545.72

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Solution

The fourth proportional to 10,098.87, 15,148.31 and 4,545.72 is: 6,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.87 : 15,148.31 = 4,545.72 : x
  2. Step 2: Convert to fraction form
    10,098.87/15,148.31 = 4,545.72/x
  3. Step 3: Cross multiply
    10,098.87x = 15,148.31 × 4,545.72
  4. Step 4: Simplify right side
    10,098.87x = 68,859,953.00
  5. Step 5: Solve for x
    x = 68,859,953.00/10,098.87
  6. Step 6: Final answer
    x = 6,818.58

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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.