Home / 9,040.16-12,474.84-5,061.20

Finding the Fourth Proportional to 9,040.16, 12,474.84 and 5,061.20

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Solution

The fourth proportional to 9,040.16, 12,474.84 and 5,061.20 is: 6,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.16 : 12,474.84 = 5,061.20 : x
  2. Step 2: Convert to fraction form
    9,040.16/12,474.84 = 5,061.20/x
  3. Step 3: Cross multiply
    9,040.16x = 12,474.84 × 5,061.20
  4. Step 4: Simplify right side
    9,040.16x = 63,137,660.21
  5. Step 5: Solve for x
    x = 63,137,660.21/9,040.16
  6. Step 6: Final answer
    x = 6,984.13

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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.