Home / 8,922.98-12,309.59-6,271.92

Finding the Fourth Proportional to 8,922.98, 12,309.59 and 6,271.92

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Solution

The fourth proportional to 8,922.98, 12,309.59 and 6,271.92 is: 8,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.98 : 12,309.59 = 6,271.92 : x
  2. Step 2: Convert to fraction form
    8,922.98/12,309.59 = 6,271.92/x
  3. Step 3: Cross multiply
    8,922.98x = 12,309.59 × 6,271.92
  4. Step 4: Simplify right side
    8,922.98x = 77,204,732.35
  5. Step 5: Solve for x
    x = 77,204,732.35/8,922.98
  6. Step 6: Final answer
    x = 8,652.35

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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.