Home / 9,009.46-13,520.18-3,166.08

Finding the Fourth Proportional to 9,009.46, 13,520.18 and 3,166.08

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Solution

The fourth proportional to 9,009.46, 13,520.18 and 3,166.08 is: 4,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.46 : 13,520.18 = 3,166.08 : x
  2. Step 2: Convert to fraction form
    9,009.46/13,520.18 = 3,166.08/x
  3. Step 3: Cross multiply
    9,009.46x = 13,520.18 × 3,166.08
  4. Step 4: Simplify right side
    9,009.46x = 42,805,971.49
  5. Step 5: Solve for x
    x = 42,805,971.49/9,009.46
  6. Step 6: Final answer
    x = 4,751.22

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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.