Home / 12,777.57-19,159.87-5,846.13

Finding the Fourth Proportional to 12,777.57, 19,159.87 and 5,846.13

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Solution

The fourth proportional to 12,777.57, 19,159.87 and 5,846.13 is: 8,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.57 : 19,159.87 = 5,846.13 : x
  2. Step 2: Convert to fraction form
    12,777.57/19,159.87 = 5,846.13/x
  3. Step 3: Cross multiply
    12,777.57x = 19,159.87 × 5,846.13
  4. Step 4: Simplify right side
    12,777.57x = 112,011,090.80
  5. Step 5: Solve for x
    x = 112,011,090.80/12,777.57
  6. Step 6: Final answer
    x = 8,766.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.