Home / 10,045.41-13,861.73-5,568.78

Finding the Fourth Proportional to 10,045.41, 13,861.73 and 5,568.78

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Solution

The fourth proportional to 10,045.41, 13,861.73 and 5,568.78 is: 7,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.41 : 13,861.73 = 5,568.78 : x
  2. Step 2: Convert to fraction form
    10,045.41/13,861.73 = 5,568.78/x
  3. Step 3: Cross multiply
    10,045.41x = 13,861.73 × 5,568.78
  4. Step 4: Simplify right side
    10,045.41x = 77,192,948.93
  5. Step 5: Solve for x
    x = 77,192,948.93/10,045.41
  6. Step 6: Final answer
    x = 7,684.40

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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.