Home / 8,820.49-12,172.85-6,166.93

Finding the Fourth Proportional to 8,820.49, 12,172.85 and 6,166.93

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Solution

The fourth proportional to 8,820.49, 12,172.85 and 6,166.93 is: 8,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.49 : 12,172.85 = 6,166.93 : x
  2. Step 2: Convert to fraction form
    8,820.49/12,172.85 = 6,166.93/x
  3. Step 3: Cross multiply
    8,820.49x = 12,172.85 × 6,166.93
  4. Step 4: Simplify right side
    8,820.49x = 75,069,113.85
  5. Step 5: Solve for x
    x = 75,069,113.85/8,820.49
  6. Step 6: Final answer
    x = 8,510.76

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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.