Home / 8,600.46-11,857.50-5,570.19

Finding the Fourth Proportional to 8,600.46, 11,857.50 and 5,570.19

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Solution

The fourth proportional to 8,600.46, 11,857.50 and 5,570.19 is: 7,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.46 : 11,857.50 = 5,570.19 : x
  2. Step 2: Convert to fraction form
    8,600.46/11,857.50 = 5,570.19/x
  3. Step 3: Cross multiply
    8,600.46x = 11,857.50 × 5,570.19
  4. Step 4: Simplify right side
    8,600.46x = 66,048,527.93
  5. Step 5: Solve for x
    x = 66,048,527.93/8,600.46
  6. Step 6: Final answer
    x = 7,679.65

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Double scale
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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.