Home / 10,132.48-15,203.28-6,433.72

Finding the Fourth Proportional to 10,132.48, 15,203.28 and 6,433.72

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Solution

The fourth proportional to 10,132.48, 15,203.28 and 6,433.72 is: 9,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.48 : 15,203.28 = 6,433.72 : x
  2. Step 2: Convert to fraction form
    10,132.48/15,203.28 = 6,433.72/x
  3. Step 3: Cross multiply
    10,132.48x = 15,203.28 × 6,433.72
  4. Step 4: Simplify right side
    10,132.48x = 97,813,646.60
  5. Step 5: Solve for x
    x = 97,813,646.60/10,132.48
  6. Step 6: Final answer
    x = 9,653.48

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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.