Home / 8,820.70-12,172.14-5,044.48

Finding the Fourth Proportional to 8,820.70, 12,172.14 and 5,044.48

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Solution

The fourth proportional to 8,820.70, 12,172.14 and 5,044.48 is: 6,961.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.70 : 12,172.14 = 5,044.48 : x
  2. Step 2: Convert to fraction form
    8,820.70/12,172.14 = 5,044.48/x
  3. Step 3: Cross multiply
    8,820.70x = 12,172.14 × 5,044.48
  4. Step 4: Simplify right side
    8,820.70x = 61,402,086.36
  5. Step 5: Solve for x
    x = 61,402,086.36/8,820.70
  6. Step 6: Final answer
    x = 6,961.14

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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.