Home / 7,522.48-10,381.40-4,165.66

Finding the Fourth Proportional to 7,522.48, 10,381.40 and 4,165.66

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Solution

The fourth proportional to 7,522.48, 10,381.40 and 4,165.66 is: 5,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.48 : 10,381.40 = 4,165.66 : x
  2. Step 2: Convert to fraction form
    7,522.48/10,381.40 = 4,165.66/x
  3. Step 3: Cross multiply
    7,522.48x = 10,381.40 × 4,165.66
  4. Step 4: Simplify right side
    7,522.48x = 43,245,382.72
  5. Step 5: Solve for x
    x = 43,245,382.72/7,522.48
  6. Step 6: Final answer
    x = 5,748.82

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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.