Home / 12,510.44-17,254.79-8,732.40

Finding the Fourth Proportional to 12,510.44, 17,254.79 and 8,732.40

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Solution

The fourth proportional to 12,510.44, 17,254.79 and 8,732.40 is: 12,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.44 : 17,254.79 = 8,732.40 : x
  2. Step 2: Convert to fraction form
    12,510.44/17,254.79 = 8,732.40/x
  3. Step 3: Cross multiply
    12,510.44x = 17,254.79 × 8,732.40
  4. Step 4: Simplify right side
    12,510.44x = 150,675,728.20
  5. Step 5: Solve for x
    x = 150,675,728.20/12,510.44
  6. Step 6: Final answer
    x = 12,044.00

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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.