Home / 11,220.60-15,492.66-7,244.04

Finding the Fourth Proportional to 11,220.60, 15,492.66 and 7,244.04

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Solution

The fourth proportional to 11,220.60, 15,492.66 and 7,244.04 is: 10,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.60 : 15,492.66 = 7,244.04 : x
  2. Step 2: Convert to fraction form
    11,220.60/15,492.66 = 7,244.04/x
  3. Step 3: Cross multiply
    11,220.60x = 15,492.66 × 7,244.04
  4. Step 4: Simplify right side
    11,220.60x = 112,229,448.75
  5. Step 5: Solve for x
    x = 112,229,448.75/11,220.60
  6. Step 6: Final answer
    x = 10,002.09

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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.