Home / 6,192.20-9,288.30-6,127.40

Finding the Fourth Proportional to 6,192.20, 9,288.30 and 6,127.40

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Solution

The fourth proportional to 6,192.20, 9,288.30 and 6,127.40 is: 9,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,192.20 : 9,288.30 = 6,127.40 : x
  2. Step 2: Convert to fraction form
    6,192.20/9,288.30 = 6,127.40/x
  3. Step 3: Cross multiply
    6,192.20x = 9,288.30 × 6,127.40
  4. Step 4: Simplify right side
    6,192.20x = 56,913,129.42
  5. Step 5: Solve for x
    x = 56,913,129.42/6,192.20
  6. Step 6: Final answer
    x = 9,191.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.