Home / 8,598.13-11,861.05-5,615.71

Finding the Fourth Proportional to 8,598.13, 11,861.05 and 5,615.71

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Solution

The fourth proportional to 8,598.13, 11,861.05 and 5,615.71 is: 7,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.13 : 11,861.05 = 5,615.71 : x
  2. Step 2: Convert to fraction form
    8,598.13/11,861.05 = 5,615.71/x
  3. Step 3: Cross multiply
    8,598.13x = 11,861.05 × 5,615.71
  4. Step 4: Simplify right side
    8,598.13x = 66,608,183.93
  5. Step 5: Solve for x
    x = 66,608,183.93/8,598.13
  6. Step 6: Final answer
    x = 7,746.82

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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.