Home / 12,927.20-17,846.30-8,700.48

Finding the Fourth Proportional to 12,927.20, 17,846.30 and 8,700.48

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Solution

The fourth proportional to 12,927.20, 17,846.30 and 8,700.48 is: 12,011.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.20 : 17,846.30 = 8,700.48 : x
  2. Step 2: Convert to fraction form
    12,927.20/17,846.30 = 8,700.48/x
  3. Step 3: Cross multiply
    12,927.20x = 17,846.30 × 8,700.48
  4. Step 4: Simplify right side
    12,927.20x = 155,271,332.72
  5. Step 5: Solve for x
    x = 155,271,332.72/12,927.20
  6. Step 6: Final answer
    x = 12,011.22

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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.