Home / 15,172.16-22,761.28-6,288.08

Finding the Fourth Proportional to 15,172.16, 22,761.28 and 6,288.08

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Solution

The fourth proportional to 15,172.16, 22,761.28 and 6,288.08 is: 9,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.16 : 22,761.28 = 6,288.08 : x
  2. Step 2: Convert to fraction form
    15,172.16/22,761.28 = 6,288.08/x
  3. Step 3: Cross multiply
    15,172.16x = 22,761.28 × 6,288.08
  4. Step 4: Simplify right side
    15,172.16x = 143,124,749.54
  5. Step 5: Solve for x
    x = 143,124,749.54/15,172.16
  6. Step 6: Final answer
    x = 9,433.38

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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.