Home / 8,980.68-12,393.60-5,204.46

Finding the Fourth Proportional to 8,980.68, 12,393.60 and 5,204.46

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Solution

The fourth proportional to 8,980.68, 12,393.60 and 5,204.46 is: 7,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.68 : 12,393.60 = 5,204.46 : x
  2. Step 2: Convert to fraction form
    8,980.68/12,393.60 = 5,204.46/x
  3. Step 3: Cross multiply
    8,980.68x = 12,393.60 × 5,204.46
  4. Step 4: Simplify right side
    8,980.68x = 64,501,995.46
  5. Step 5: Solve for x
    x = 64,501,995.46/8,980.68
  6. Step 6: Final answer
    x = 7,182.31

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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.