Home / 12,367.07-18,543.67-5,342.70

Finding the Fourth Proportional to 12,367.07, 18,543.67 and 5,342.70

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Solution

The fourth proportional to 12,367.07, 18,543.67 and 5,342.70 is: 8,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.07 : 18,543.67 = 5,342.70 : x
  2. Step 2: Convert to fraction form
    12,367.07/18,543.67 = 5,342.70/x
  3. Step 3: Cross multiply
    12,367.07x = 18,543.67 × 5,342.70
  4. Step 4: Simplify right side
    12,367.07x = 99,073,239.00
  5. Step 5: Solve for x
    x = 99,073,239.00/12,367.07
  6. Step 6: Final answer
    x = 8,011.05

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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.