Home / 9,432.24-13,018.10-5,455.77

Finding the Fourth Proportional to 9,432.24, 13,018.10 and 5,455.77

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Solution

The fourth proportional to 9,432.24, 13,018.10 and 5,455.77 is: 7,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.24 : 13,018.10 = 5,455.77 : x
  2. Step 2: Convert to fraction form
    9,432.24/13,018.10 = 5,455.77/x
  3. Step 3: Cross multiply
    9,432.24x = 13,018.10 × 5,455.77
  4. Step 4: Simplify right side
    9,432.24x = 71,023,732.16
  5. Step 5: Solve for x
    x = 71,023,732.16/9,432.24
  6. Step 6: Final answer
    x = 7,529.89

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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.