Home / 8,708.22-12,017.67-4,981.50

Finding the Fourth Proportional to 8,708.22, 12,017.67 and 4,981.50

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Solution

The fourth proportional to 8,708.22, 12,017.67 and 4,981.50 is: 6,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.22 : 12,017.67 = 4,981.50 : x
  2. Step 2: Convert to fraction form
    8,708.22/12,017.67 = 4,981.50/x
  3. Step 3: Cross multiply
    8,708.22x = 12,017.67 × 4,981.50
  4. Step 4: Simplify right side
    8,708.22x = 59,866,023.11
  5. Step 5: Solve for x
    x = 59,866,023.11/8,708.22
  6. Step 6: Final answer
    x = 6,874.66

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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.