Home / 8,341.85-11,512.35-5,358.62

Finding the Fourth Proportional to 8,341.85, 11,512.35 and 5,358.62

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Solution

The fourth proportional to 8,341.85, 11,512.35 and 5,358.62 is: 7,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.85 : 11,512.35 = 5,358.62 : x
  2. Step 2: Convert to fraction form
    8,341.85/11,512.35 = 5,358.62/x
  3. Step 3: Cross multiply
    8,341.85x = 11,512.35 × 5,358.62
  4. Step 4: Simplify right side
    8,341.85x = 61,690,337.74
  5. Step 5: Solve for x
    x = 61,690,337.74/8,341.85
  6. Step 6: Final answer
    x = 7,395.28

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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.