Home / 8,857.02-12,222.75-5,080.35

Finding the Fourth Proportional to 8,857.02, 12,222.75 and 5,080.35

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Solution

The fourth proportional to 8,857.02, 12,222.75 and 5,080.35 is: 7,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.02 : 12,222.75 = 5,080.35 : x
  2. Step 2: Convert to fraction form
    8,857.02/12,222.75 = 5,080.35/x
  3. Step 3: Cross multiply
    8,857.02x = 12,222.75 × 5,080.35
  4. Step 4: Simplify right side
    8,857.02x = 62,095,847.96
  5. Step 5: Solve for x
    x = 62,095,847.96/8,857.02
  6. Step 6: Final answer
    x = 7,010.92

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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.