Home / 10,053.60-15,086.28-4,209.72

Finding the Fourth Proportional to 10,053.60, 15,086.28 and 4,209.72

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Solution

The fourth proportional to 10,053.60, 15,086.28 and 4,209.72 is: 6,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.60 : 15,086.28 = 4,209.72 : x
  2. Step 2: Convert to fraction form
    10,053.60/15,086.28 = 4,209.72/x
  3. Step 3: Cross multiply
    10,053.60x = 15,086.28 × 4,209.72
  4. Step 4: Simplify right side
    10,053.60x = 63,509,014.64
  5. Step 5: Solve for x
    x = 63,509,014.64/10,053.60
  6. Step 6: Final answer
    x = 6,317.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.