Home / 11,337.12-15,639.48-7,360.44

Finding the Fourth Proportional to 11,337.12, 15,639.48 and 7,360.44

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Solution

The fourth proportional to 11,337.12, 15,639.48 and 7,360.44 is: 10,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.12 : 15,639.48 = 7,360.44 : x
  2. Step 2: Convert to fraction form
    11,337.12/15,639.48 = 7,360.44/x
  3. Step 3: Cross multiply
    11,337.12x = 15,639.48 × 7,360.44
  4. Step 4: Simplify right side
    11,337.12x = 115,113,454.17
  5. Step 5: Solve for x
    x = 115,113,454.17/11,337.12
  6. Step 6: Final answer
    x = 10,153.68

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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.