Home / 9,108.57-12,567.35-5,332.66

Finding the Fourth Proportional to 9,108.57, 12,567.35 and 5,332.66

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Solution

The fourth proportional to 9,108.57, 12,567.35 and 5,332.66 is: 7,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.57 : 12,567.35 = 5,332.66 : x
  2. Step 2: Convert to fraction form
    9,108.57/12,567.35 = 5,332.66/x
  3. Step 3: Cross multiply
    9,108.57x = 12,567.35 × 5,332.66
  4. Step 4: Simplify right side
    9,108.57x = 67,017,404.65
  5. Step 5: Solve for x
    x = 67,017,404.65/9,108.57
  6. Step 6: Final answer
    x = 7,357.62

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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.