Home / 10,089.87-15,138.21-4,466.76

Finding the Fourth Proportional to 10,089.87, 15,138.21 and 4,466.76

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Solution

The fourth proportional to 10,089.87, 15,138.21 and 4,466.76 is: 6,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.87 : 15,138.21 = 4,466.76 : x
  2. Step 2: Convert to fraction form
    10,089.87/15,138.21 = 4,466.76/x
  3. Step 3: Cross multiply
    10,089.87x = 15,138.21 × 4,466.76
  4. Step 4: Simplify right side
    10,089.87x = 67,618,728.57
  5. Step 5: Solve for x
    x = 67,618,728.57/10,089.87
  6. Step 6: Final answer
    x = 6,701.65

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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.