Home / 9,098.46-12,555.81-5,320.85

Finding the Fourth Proportional to 9,098.46, 12,555.81 and 5,320.85

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Solution

The fourth proportional to 9,098.46, 12,555.81 and 5,320.85 is: 7,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.46 : 12,555.81 = 5,320.85 : x
  2. Step 2: Convert to fraction form
    9,098.46/12,555.81 = 5,320.85/x
  3. Step 3: Cross multiply
    9,098.46x = 12,555.81 × 5,320.85
  4. Step 4: Simplify right side
    9,098.46x = 66,807,518.86
  5. Step 5: Solve for x
    x = 66,807,518.86/9,098.46
  6. Step 6: Final answer
    x = 7,342.73

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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.