Home / 9,432.72-13,013.70-6,604.56

Finding the Fourth Proportional to 9,432.72, 13,013.70 and 6,604.56

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Solution

The fourth proportional to 9,432.72, 13,013.70 and 6,604.56 is: 9,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.72 : 13,013.70 = 6,604.56 : x
  2. Step 2: Convert to fraction form
    9,432.72/13,013.70 = 6,604.56/x
  3. Step 3: Cross multiply
    9,432.72x = 13,013.70 × 6,604.56
  4. Step 4: Simplify right side
    9,432.72x = 85,949,762.47
  5. Step 5: Solve for x
    x = 85,949,762.47/9,432.72
  6. Step 6: Final answer
    x = 9,111.87

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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.