Home / 10,484.73-15,728.19-5,221.04

Finding the Fourth Proportional to 10,484.73, 15,728.19 and 5,221.04

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Solution

The fourth proportional to 10,484.73, 15,728.19 and 5,221.04 is: 7,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.73 : 15,728.19 = 5,221.04 : x
  2. Step 2: Convert to fraction form
    10,484.73/15,728.19 = 5,221.04/x
  3. Step 3: Cross multiply
    10,484.73x = 15,728.19 × 5,221.04
  4. Step 4: Simplify right side
    10,484.73x = 82,117,509.12
  5. Step 5: Solve for x
    x = 82,117,509.12/10,484.73
  6. Step 6: Final answer
    x = 7,832.11

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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.