Home / 8,312.34-11,470.20-5,799.85

Finding the Fourth Proportional to 8,312.34, 11,470.20 and 5,799.85

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Solution

The fourth proportional to 8,312.34, 11,470.20 and 5,799.85 is: 8,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.34 : 11,470.20 = 5,799.85 : x
  2. Step 2: Convert to fraction form
    8,312.34/11,470.20 = 5,799.85/x
  3. Step 3: Cross multiply
    8,312.34x = 11,470.20 × 5,799.85
  4. Step 4: Simplify right side
    8,312.34x = 66,525,382.12
  5. Step 5: Solve for x
    x = 66,525,382.12/8,312.34
  6. Step 6: Final answer
    x = 8,003.21

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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.