Home / 12,320.04-18,475.77-4,922.49

Finding the Fourth Proportional to 12,320.04, 18,475.77 and 4,922.49

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Solution

The fourth proportional to 12,320.04, 18,475.77 and 4,922.49 is: 7,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.04 : 18,475.77 = 4,922.49 : x
  2. Step 2: Convert to fraction form
    12,320.04/18,475.77 = 4,922.49/x
  3. Step 3: Cross multiply
    12,320.04x = 18,475.77 × 4,922.49
  4. Step 4: Simplify right side
    12,320.04x = 90,946,793.07
  5. Step 5: Solve for x
    x = 90,946,793.07/12,320.04
  6. Step 6: Final answer
    x = 7,382.02

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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.