Home / 10,146.93-15,213.51-3,572.25

Finding the Fourth Proportional to 10,146.93, 15,213.51 and 3,572.25

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Solution

The fourth proportional to 10,146.93, 15,213.51 and 3,572.25 is: 5,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.93 : 15,213.51 = 3,572.25 : x
  2. Step 2: Convert to fraction form
    10,146.93/15,213.51 = 3,572.25/x
  3. Step 3: Cross multiply
    10,146.93x = 15,213.51 × 3,572.25
  4. Step 4: Simplify right side
    10,146.93x = 54,346,461.10
  5. Step 5: Solve for x
    x = 54,346,461.10/10,146.93
  6. Step 6: Final answer
    x = 5,355.95

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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.