Home / 9,997.12-13,795.80-5,459.65

Finding the Fourth Proportional to 9,997.12, 13,795.80 and 5,459.65

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Solution

The fourth proportional to 9,997.12, 13,795.80 and 5,459.65 is: 7,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.12 : 13,795.80 = 5,459.65 : x
  2. Step 2: Convert to fraction form
    9,997.12/13,795.80 = 5,459.65/x
  3. Step 3: Cross multiply
    9,997.12x = 13,795.80 × 5,459.65
  4. Step 4: Simplify right side
    9,997.12x = 75,320,239.47
  5. Step 5: Solve for x
    x = 75,320,239.47/9,997.12
  6. Step 6: Final answer
    x = 7,534.19

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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.