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Finding the Fourth Proportional to 8,763.66, 13,197.04 and 6,315.71

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Solution

The fourth proportional to 8,763.66, 13,197.04 and 6,315.71 is: 9,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.66 : 13,197.04 = 6,315.71 : x
  2. Step 2: Convert to fraction form
    8,763.66/13,197.04 = 6,315.71/x
  3. Step 3: Cross multiply
    8,763.66x = 13,197.04 × 6,315.71
  4. Step 4: Simplify right side
    8,763.66x = 83,348,595.72
  5. Step 5: Solve for x
    x = 83,348,595.72/8,763.66
  6. Step 6: Final answer
    x = 9,510.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.