Home / 8,715.61-13,073.58-2,872.27

Finding the Fourth Proportional to 8,715.61, 13,073.58 and 2,872.27

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Solution

The fourth proportional to 8,715.61, 13,073.58 and 2,872.27 is: 4,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.61 : 13,073.58 = 2,872.27 : x
  2. Step 2: Convert to fraction form
    8,715.61/13,073.58 = 2,872.27/x
  3. Step 3: Cross multiply
    8,715.61x = 13,073.58 × 2,872.27
  4. Step 4: Simplify right side
    8,715.61x = 37,550,851.63
  5. Step 5: Solve for x
    x = 37,550,851.63/8,715.61
  6. Step 6: Final answer
    x = 4,308.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.