Home / 37,117.20-55,675.80-9,415.20

Finding the Fourth Proportional to 37,117.20, 55,675.80 and 9,415.20

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Solution

The fourth proportional to 37,117.20, 55,675.80 and 9,415.20 is: 14,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.20 : 55,675.80 = 9,415.20 : x
  2. Step 2: Convert to fraction form
    37,117.20/55,675.80 = 9,415.20/x
  3. Step 3: Cross multiply
    37,117.20x = 55,675.80 × 9,415.20
  4. Step 4: Simplify right side
    37,117.20x = 524,198,792.16
  5. Step 5: Solve for x
    x = 524,198,792.16/37,117.20
  6. Step 6: Final answer
    x = 14,122.80

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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.