Home / 10,219.12-14,101.80-5,743.04

Finding the Fourth Proportional to 10,219.12, 14,101.80 and 5,743.04

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Solution

The fourth proportional to 10,219.12, 14,101.80 and 5,743.04 is: 7,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.12 : 14,101.80 = 5,743.04 : x
  2. Step 2: Convert to fraction form
    10,219.12/14,101.80 = 5,743.04/x
  3. Step 3: Cross multiply
    10,219.12x = 14,101.80 × 5,743.04
  4. Step 4: Simplify right side
    10,219.12x = 80,987,201.47
  5. Step 5: Solve for x
    x = 80,987,201.47/10,219.12
  6. Step 6: Final answer
    x = 7,925.07

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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.