Home / 8,823.04-12,181.58-5,470.80

Finding the Fourth Proportional to 8,823.04, 12,181.58 and 5,470.80

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Solution

The fourth proportional to 8,823.04, 12,181.58 and 5,470.80 is: 7,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.04 : 12,181.58 = 5,470.80 : x
  2. Step 2: Convert to fraction form
    8,823.04/12,181.58 = 5,470.80/x
  3. Step 3: Cross multiply
    8,823.04x = 12,181.58 × 5,470.80
  4. Step 4: Simplify right side
    8,823.04x = 66,642,987.86
  5. Step 5: Solve for x
    x = 66,642,987.86/8,823.04
  6. Step 6: Final answer
    x = 7,553.29

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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.