Home / 7,242.13-9,994.53-4,098.25

Finding the Fourth Proportional to 7,242.13, 9,994.53 and 4,098.25

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Solution

The fourth proportional to 7,242.13, 9,994.53 and 4,098.25 is: 5,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.13 : 9,994.53 = 4,098.25 : x
  2. Step 2: Convert to fraction form
    7,242.13/9,994.53 = 4,098.25/x
  3. Step 3: Cross multiply
    7,242.13x = 9,994.53 × 4,098.25
  4. Step 4: Simplify right side
    7,242.13x = 40,960,082.57
  5. Step 5: Solve for x
    x = 40,960,082.57/7,242.13
  6. Step 6: Final answer
    x = 5,655.81

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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.