Home / 10,515.12-14,510.88-6,039.15

Finding the Fourth Proportional to 10,515.12, 14,510.88 and 6,039.15

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Solution

The fourth proportional to 10,515.12, 14,510.88 and 6,039.15 is: 8,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.12 : 14,510.88 = 6,039.15 : x
  2. Step 2: Convert to fraction form
    10,515.12/14,510.88 = 6,039.15/x
  3. Step 3: Cross multiply
    10,515.12x = 14,510.88 × 6,039.15
  4. Step 4: Simplify right side
    10,515.12x = 87,633,380.95
  5. Step 5: Solve for x
    x = 87,633,380.95/10,515.12
  6. Step 6: Final answer
    x = 8,334.04

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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.