Home / 10,101.68-15,140.64-4,254.56

Finding the Fourth Proportional to 10,101.68, 15,140.64 and 4,254.56

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Solution

The fourth proportional to 10,101.68, 15,140.64 and 4,254.56 is: 6,376.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.68 : 15,140.64 = 4,254.56 : x
  2. Step 2: Convert to fraction form
    10,101.68/15,140.64 = 4,254.56/x
  3. Step 3: Cross multiply
    10,101.68x = 15,140.64 × 4,254.56
  4. Step 4: Simplify right side
    10,101.68x = 64,416,761.32
  5. Step 5: Solve for x
    x = 64,416,761.32/10,101.68
  6. Step 6: Final answer
    x = 6,376.84

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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.