Home / 8,545.10-11,798.56-5,562.57

Finding the Fourth Proportional to 8,545.10, 11,798.56 and 5,562.57

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Solution

The fourth proportional to 8,545.10, 11,798.56 and 5,562.57 is: 7,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.10 : 11,798.56 = 5,562.57 : x
  2. Step 2: Convert to fraction form
    8,545.10/11,798.56 = 5,562.57/x
  3. Step 3: Cross multiply
    8,545.10x = 11,798.56 × 5,562.57
  4. Step 4: Simplify right side
    8,545.10x = 65,630,367.10
  5. Step 5: Solve for x
    x = 65,630,367.10/8,545.10
  6. Step 6: Final answer
    x = 7,680.47

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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.