Home / 9,013.28-12,438.35-5,034.54

Finding the Fourth Proportional to 9,013.28, 12,438.35 and 5,034.54

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Solution

The fourth proportional to 9,013.28, 12,438.35 and 5,034.54 is: 6,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.28 : 12,438.35 = 5,034.54 : x
  2. Step 2: Convert to fraction form
    9,013.28/12,438.35 = 5,034.54/x
  3. Step 3: Cross multiply
    9,013.28x = 12,438.35 × 5,034.54
  4. Step 4: Simplify right side
    9,013.28x = 62,621,345.44
  5. Step 5: Solve for x
    x = 62,621,345.44/9,013.28
  6. Step 6: Final answer
    x = 6,947.68

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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.