Home / 9,917.35-13,686.08-5,441.02

Finding the Fourth Proportional to 9,917.35, 13,686.08 and 5,441.02

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Solution

The fourth proportional to 9,917.35, 13,686.08 and 5,441.02 is: 7,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.35 : 13,686.08 = 5,441.02 : x
  2. Step 2: Convert to fraction form
    9,917.35/13,686.08 = 5,441.02/x
  3. Step 3: Cross multiply
    9,917.35x = 13,686.08 × 5,441.02
  4. Step 4: Simplify right side
    9,917.35x = 74,466,248.60
  5. Step 5: Solve for x
    x = 74,466,248.60/9,917.35
  6. Step 6: Final answer
    x = 7,508.68

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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.