Home / 10,100.28-15,150.67-3,436.77

Finding the Fourth Proportional to 10,100.28, 15,150.67 and 3,436.77

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Solution

The fourth proportional to 10,100.28, 15,150.67 and 3,436.77 is: 5,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.28 : 15,150.67 = 3,436.77 : x
  2. Step 2: Convert to fraction form
    10,100.28/15,150.67 = 3,436.77/x
  3. Step 3: Cross multiply
    10,100.28x = 15,150.67 × 3,436.77
  4. Step 4: Simplify right side
    10,100.28x = 52,069,368.14
  5. Step 5: Solve for x
    x = 52,069,368.14/10,100.28
  6. Step 6: Final answer
    x = 5,155.24

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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.