Home / 11,098.04-15,308.16-6,789.12

Finding the Fourth Proportional to 11,098.04, 15,308.16 and 6,789.12

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Solution

The fourth proportional to 11,098.04, 15,308.16 and 6,789.12 is: 9,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.04 : 15,308.16 = 6,789.12 : x
  2. Step 2: Convert to fraction form
    11,098.04/15,308.16 = 6,789.12/x
  3. Step 3: Cross multiply
    11,098.04x = 15,308.16 × 6,789.12
  4. Step 4: Simplify right side
    11,098.04x = 103,928,909.64
  5. Step 5: Solve for x
    x = 103,928,909.64/11,098.04
  6. Step 6: Final answer
    x = 9,364.62

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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.