Home / 9,029.60-13,541.12-3,480.12

Finding the Fourth Proportional to 9,029.60, 13,541.12 and 3,480.12

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Solution

The fourth proportional to 9,029.60, 13,541.12 and 3,480.12 is: 5,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.60 : 13,541.12 = 3,480.12 : x
  2. Step 2: Convert to fraction form
    9,029.60/13,541.12 = 3,480.12/x
  3. Step 3: Cross multiply
    9,029.60x = 13,541.12 × 3,480.12
  4. Step 4: Simplify right side
    9,029.60x = 47,124,722.53
  5. Step 5: Solve for x
    x = 47,124,722.53/9,029.60
  6. Step 6: Final answer
    x = 5,218.92

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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.