Home / 8,922.08-12,312.56-4,943.25

Finding the Fourth Proportional to 8,922.08, 12,312.56 and 4,943.25

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Solution

The fourth proportional to 8,922.08, 12,312.56 and 4,943.25 is: 6,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.08 : 12,312.56 = 4,943.25 : x
  2. Step 2: Convert to fraction form
    8,922.08/12,312.56 = 4,943.25/x
  3. Step 3: Cross multiply
    8,922.08x = 12,312.56 × 4,943.25
  4. Step 4: Simplify right side
    8,922.08x = 60,864,074.58
  5. Step 5: Solve for x
    x = 60,864,074.58/8,922.08
  6. Step 6: Final answer
    x = 6,821.74

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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.