Home / 8,728.74-12,044.76-5,094.90

Finding the Fourth Proportional to 8,728.74, 12,044.76 and 5,094.90

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Solution

The fourth proportional to 8,728.74, 12,044.76 and 5,094.90 is: 7,030.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.74 : 12,044.76 = 5,094.90 : x
  2. Step 2: Convert to fraction form
    8,728.74/12,044.76 = 5,094.90/x
  3. Step 3: Cross multiply
    8,728.74x = 12,044.76 × 5,094.90
  4. Step 4: Simplify right side
    8,728.74x = 61,366,828.62
  5. Step 5: Solve for x
    x = 61,366,828.62/8,728.74
  6. Step 6: Final answer
    x = 7,030.43

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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.