Home / 9,039.78-12,474.90-5,060.94

Finding the Fourth Proportional to 9,039.78, 12,474.90 and 5,060.94

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Solution

The fourth proportional to 9,039.78, 12,474.90 and 5,060.94 is: 6,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.78 : 12,474.90 = 5,060.94 : x
  2. Step 2: Convert to fraction form
    9,039.78/12,474.90 = 5,060.94/x
  3. Step 3: Cross multiply
    9,039.78x = 12,474.90 × 5,060.94
  4. Step 4: Simplify right side
    9,039.78x = 63,134,720.41
  5. Step 5: Solve for x
    x = 63,134,720.41/9,039.78
  6. Step 6: Final answer
    x = 6,984.10

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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.