Home / 7,586.40-11,381.22-2,321.13

Finding the Fourth Proportional to 7,586.40, 11,381.22 and 2,321.13

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Solution

The fourth proportional to 7,586.40, 11,381.22 and 2,321.13 is: 3,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.40 : 11,381.22 = 2,321.13 : x
  2. Step 2: Convert to fraction form
    7,586.40/11,381.22 = 2,321.13/x
  3. Step 3: Cross multiply
    7,586.40x = 11,381.22 × 2,321.13
  4. Step 4: Simplify right side
    7,586.40x = 26,417,291.18
  5. Step 5: Solve for x
    x = 26,417,291.18/7,586.40
  6. Step 6: Final answer
    x = 3,482.19

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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.