Home / 10,084.48-15,123.84-4,240

Finding the Fourth Proportional to 10,084.48, 15,123.84 and 4,240

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Solution

The fourth proportional to 10,084.48, 15,123.84 and 4,240 is: 6,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.48 : 15,123.84 = 4,240 : x
  2. Step 2: Convert to fraction form
    10,084.48/15,123.84 = 4,240/x
  3. Step 3: Cross multiply
    10,084.48x = 15,123.84 × 4,240
  4. Step 4: Simplify right side
    10,084.48x = 64,125,081.60
  5. Step 5: Solve for x
    x = 64,125,081.60/10,084.48
  6. Step 6: Final answer
    x = 6,358.79

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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.