Home / 11,207.14-15,459.42-7,008.10

Finding the Fourth Proportional to 11,207.14, 15,459.42 and 7,008.10

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Solution

The fourth proportional to 11,207.14, 15,459.42 and 7,008.10 is: 9,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.14 : 15,459.42 = 7,008.10 : x
  2. Step 2: Convert to fraction form
    11,207.14/15,459.42 = 7,008.10/x
  3. Step 3: Cross multiply
    11,207.14x = 15,459.42 × 7,008.10
  4. Step 4: Simplify right side
    11,207.14x = 108,341,161.30
  5. Step 5: Solve for x
    x = 108,341,161.30/11,207.14
  6. Step 6: Final answer
    x = 9,667.16

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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.