Home / 7,416.39-11,127.42-3,521.10

Finding the Fourth Proportional to 7,416.39, 11,127.42 and 3,521.10

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Solution

The fourth proportional to 7,416.39, 11,127.42 and 3,521.10 is: 5,283.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.39 : 11,127.42 = 3,521.10 : x
  2. Step 2: Convert to fraction form
    7,416.39/11,127.42 = 3,521.10/x
  3. Step 3: Cross multiply
    7,416.39x = 11,127.42 × 3,521.10
  4. Step 4: Simplify right side
    7,416.39x = 39,180,758.56
  5. Step 5: Solve for x
    x = 39,180,758.56/7,416.39
  6. Step 6: Final answer
    x = 5,283.00

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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.