Home / 8,922.02-12,312.46-4,943.18

Finding the Fourth Proportional to 8,922.02, 12,312.46 and 4,943.18

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Solution

The fourth proportional to 8,922.02, 12,312.46 and 4,943.18 is: 6,821.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.02 : 12,312.46 = 4,943.18 : x
  2. Step 2: Convert to fraction form
    8,922.02/12,312.46 = 4,943.18/x
  3. Step 3: Cross multiply
    8,922.02x = 12,312.46 × 4,943.18
  4. Step 4: Simplify right side
    8,922.02x = 60,862,706.02
  5. Step 5: Solve for x
    x = 60,862,706.02/8,922.02
  6. Step 6: Final answer
    x = 6,821.63

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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.