Home / 11,123.60-15,350.57-6,087.81

Finding the Fourth Proportional to 11,123.60, 15,350.57 and 6,087.81

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Solution

The fourth proportional to 11,123.60, 15,350.57 and 6,087.81 is: 8,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.60 : 15,350.57 = 6,087.81 : x
  2. Step 2: Convert to fraction form
    11,123.60/15,350.57 = 6,087.81/x
  3. Step 3: Cross multiply
    11,123.60x = 15,350.57 × 6,087.81
  4. Step 4: Simplify right side
    11,123.60x = 93,451,376.71
  5. Step 5: Solve for x
    x = 93,451,376.71/11,123.60
  6. Step 6: Final answer
    x = 8,401.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.