Home / 12,373.19-18,563.53-4,479.42

Finding the Fourth Proportional to 12,373.19, 18,563.53 and 4,479.42

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Solution

The fourth proportional to 12,373.19, 18,563.53 and 4,479.42 is: 6,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.19 : 18,563.53 = 4,479.42 : x
  2. Step 2: Convert to fraction form
    12,373.19/18,563.53 = 4,479.42/x
  3. Step 3: Cross multiply
    12,373.19x = 18,563.53 × 4,479.42
  4. Step 4: Simplify right side
    12,373.19x = 83,153,849.10
  5. Step 5: Solve for x
    x = 83,153,849.10/12,373.19
  6. Step 6: Final answer
    x = 6,720.49

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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.