Home / 10,073.60-15,106.49-3,408.32

Finding the Fourth Proportional to 10,073.60, 15,106.49 and 3,408.32

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Solution

The fourth proportional to 10,073.60, 15,106.49 and 3,408.32 is: 5,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.60 : 15,106.49 = 3,408.32 : x
  2. Step 2: Convert to fraction form
    10,073.60/15,106.49 = 3,408.32/x
  3. Step 3: Cross multiply
    10,073.60x = 15,106.49 × 3,408.32
  4. Step 4: Simplify right side
    10,073.60x = 51,487,700.53
  5. Step 5: Solve for x
    x = 51,487,700.53/10,073.60
  6. Step 6: Final answer
    x = 5,111.15

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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.