Home / 10,304.60-14,220.12-5,705.24

Finding the Fourth Proportional to 10,304.60, 14,220.12 and 5,705.24

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Solution

The fourth proportional to 10,304.60, 14,220.12 and 5,705.24 is: 7,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304.60 : 14,220.12 = 5,705.24 : x
  2. Step 2: Convert to fraction form
    10,304.60/14,220.12 = 5,705.24/x
  3. Step 3: Cross multiply
    10,304.60x = 14,220.12 × 5,705.24
  4. Step 4: Simplify right side
    10,304.60x = 81,129,197.43
  5. Step 5: Solve for x
    x = 81,129,197.43/10,304.60
  6. Step 6: Final answer
    x = 7,873.10

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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.