Home / 9,432.15-13,018.70-5,455.56

Finding the Fourth Proportional to 9,432.15, 13,018.70 and 5,455.56

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Solution

The fourth proportional to 9,432.15, 13,018.70 and 5,455.56 is: 7,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.15 : 13,018.70 = 5,455.56 : x
  2. Step 2: Convert to fraction form
    9,432.15/13,018.70 = 5,455.56/x
  3. Step 3: Cross multiply
    9,432.15x = 13,018.70 × 5,455.56
  4. Step 4: Simplify right side
    9,432.15x = 71,024,298.97
  5. Step 5: Solve for x
    x = 71,024,298.97/9,432.15
  6. Step 6: Final answer
    x = 7,530.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.