Home / 10,515.20-14,510.91-5,799.48

Finding the Fourth Proportional to 10,515.20, 14,510.91 and 5,799.48

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Solution

The fourth proportional to 10,515.20, 14,510.91 and 5,799.48 is: 8,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.20 : 14,510.91 = 5,799.48 : x
  2. Step 2: Convert to fraction form
    10,515.20/14,510.91 = 5,799.48/x
  3. Step 3: Cross multiply
    10,515.20x = 14,510.91 × 5,799.48
  4. Step 4: Simplify right side
    10,515.20x = 84,155,699.66
  5. Step 5: Solve for x
    x = 84,155,699.66/10,515.20
  6. Step 6: Final answer
    x = 8,003.25

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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.