Home / 9,132.32-12,602.76-5,358.20

Finding the Fourth Proportional to 9,132.32, 12,602.76 and 5,358.20

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Solution

The fourth proportional to 9,132.32, 12,602.76 and 5,358.20 is: 7,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.32 : 12,602.76 = 5,358.20 : x
  2. Step 2: Convert to fraction form
    9,132.32/12,602.76 = 5,358.20/x
  3. Step 3: Cross multiply
    9,132.32x = 12,602.76 × 5,358.20
  4. Step 4: Simplify right side
    9,132.32x = 67,528,108.63
  5. Step 5: Solve for x
    x = 67,528,108.63/9,132.32
  6. Step 6: Final answer
    x = 7,394.41

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Half scale
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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.