Home / 8,981.49-12,393.29-5,204.62

Finding the Fourth Proportional to 8,981.49, 12,393.29 and 5,204.62

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Solution

The fourth proportional to 8,981.49, 12,393.29 and 5,204.62 is: 7,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.49 : 12,393.29 = 5,204.62 : x
  2. Step 2: Convert to fraction form
    8,981.49/12,393.29 = 5,204.62/x
  3. Step 3: Cross multiply
    8,981.49x = 12,393.29 × 5,204.62
  4. Step 4: Simplify right side
    8,981.49x = 64,502,277.01
  5. Step 5: Solve for x
    x = 64,502,277.01/8,981.49
  6. Step 6: Final answer
    x = 7,181.69

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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.