Home / 9,147.92-12,624.36-5,613.08

Finding the Fourth Proportional to 9,147.92, 12,624.36 and 5,613.08

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Solution

The fourth proportional to 9,147.92, 12,624.36 and 5,613.08 is: 7,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.92 : 12,624.36 = 5,613.08 : x
  2. Step 2: Convert to fraction form
    9,147.92/12,624.36 = 5,613.08/x
  3. Step 3: Cross multiply
    9,147.92x = 12,624.36 × 5,613.08
  4. Step 4: Simplify right side
    9,147.92x = 70,861,542.63
  5. Step 5: Solve for x
    x = 70,861,542.63/9,147.92
  6. Step 6: Final answer
    x = 7,746.19

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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.