Home / 36,870.06-55,305.31-9,168.06

Finding the Fourth Proportional to 36,870.06, 55,305.31 and 9,168.06

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Solution

The fourth proportional to 36,870.06, 55,305.31 and 9,168.06 is: 13,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.06 : 55,305.31 = 9,168.06 : x
  2. Step 2: Convert to fraction form
    36,870.06/55,305.31 = 9,168.06/x
  3. Step 3: Cross multiply
    36,870.06x = 55,305.31 × 9,168.06
  4. Step 4: Simplify right side
    36,870.06x = 507,042,400.40
  5. Step 5: Solve for x
    x = 507,042,400.40/36,870.06
  6. Step 6: Final answer
    x = 13,752.14

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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.