Home / 11,113.70-15,337.28-6,078.24

Finding the Fourth Proportional to 11,113.70, 15,337.28 and 6,078.24

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Solution

The fourth proportional to 11,113.70, 15,337.28 and 6,078.24 is: 8,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.70 : 15,337.28 = 6,078.24 : x
  2. Step 2: Convert to fraction form
    11,113.70/15,337.28 = 6,078.24/x
  3. Step 3: Cross multiply
    11,113.70x = 15,337.28 × 6,078.24
  4. Step 4: Simplify right side
    11,113.70x = 93,223,683.98
  5. Step 5: Solve for x
    x = 93,223,683.98/11,113.70
  6. Step 6: Final answer
    x = 8,388.18

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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.