Home / 10,382.18-15,575.74-3,362.20

Finding the Fourth Proportional to 10,382.18, 15,575.74 and 3,362.20

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Solution

The fourth proportional to 10,382.18, 15,575.74 and 3,362.20 is: 5,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.18 : 15,575.74 = 3,362.20 : x
  2. Step 2: Convert to fraction form
    10,382.18/15,575.74 = 3,362.20/x
  3. Step 3: Cross multiply
    10,382.18x = 15,575.74 × 3,362.20
  4. Step 4: Simplify right side
    10,382.18x = 52,368,753.03
  5. Step 5: Solve for x
    x = 52,368,753.03/10,382.18
  6. Step 6: Final answer
    x = 5,044.10

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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.