Home / 7,459.47-11,189.36-5,971.79

Finding the Fourth Proportional to 7,459.47, 11,189.36 and 5,971.79

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Solution

The fourth proportional to 7,459.47, 11,189.36 and 5,971.79 is: 8,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.47 : 11,189.36 = 5,971.79 : x
  2. Step 2: Convert to fraction form
    7,459.47/11,189.36 = 5,971.79/x
  3. Step 3: Cross multiply
    7,459.47x = 11,189.36 × 5,971.79
  4. Step 4: Simplify right side
    7,459.47x = 66,820,508.15
  5. Step 5: Solve for x
    x = 66,820,508.15/7,459.47
  6. Step 6: Final answer
    x = 8,957.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.