Home / 11,351.28-17,032.20-5,113.08

Finding the Fourth Proportional to 11,351.28, 17,032.20 and 5,113.08

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Solution

The fourth proportional to 11,351.28, 17,032.20 and 5,113.08 is: 7,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.28 : 17,032.20 = 5,113.08 : x
  2. Step 2: Convert to fraction form
    11,351.28/17,032.20 = 5,113.08/x
  3. Step 3: Cross multiply
    11,351.28x = 17,032.20 × 5,113.08
  4. Step 4: Simplify right side
    11,351.28x = 87,087,001.18
  5. Step 5: Solve for x
    x = 87,087,001.18/11,351.28
  6. Step 6: Final answer
    x = 7,672.00

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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.