Home / 11,097.75-15,318.08-7,064.70

Finding the Fourth Proportional to 11,097.75, 15,318.08 and 7,064.70

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Solution

The fourth proportional to 11,097.75, 15,318.08 and 7,064.70 is: 9,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.75 : 15,318.08 = 7,064.70 : x
  2. Step 2: Convert to fraction form
    11,097.75/15,318.08 = 7,064.70/x
  3. Step 3: Cross multiply
    11,097.75x = 15,318.08 × 7,064.70
  4. Step 4: Simplify right side
    11,097.75x = 108,217,713.08
  5. Step 5: Solve for x
    x = 108,217,713.08/11,097.75
  6. Step 6: Final answer
    x = 9,751.32

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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.