Home / 7,276.60-10,031.11-5,785.12

Finding the Fourth Proportional to 7,276.60, 10,031.11 and 5,785.12

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Solution

The fourth proportional to 7,276.60, 10,031.11 and 5,785.12 is: 7,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.60 : 10,031.11 = 5,785.12 : x
  2. Step 2: Convert to fraction form
    7,276.60/10,031.11 = 5,785.12/x
  3. Step 3: Cross multiply
    7,276.60x = 10,031.11 × 5,785.12
  4. Step 4: Simplify right side
    7,276.60x = 58,031,175.08
  5. Step 5: Solve for x
    x = 58,031,175.08/7,276.60
  6. Step 6: Final answer
    x = 7,975.04

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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.