Home / 17,312.12-25,969.41-6,218.90

Finding the Fourth Proportional to 17,312.12, 25,969.41 and 6,218.90

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Solution

The fourth proportional to 17,312.12, 25,969.41 and 6,218.90 is: 9,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.12 : 25,969.41 = 6,218.90 : x
  2. Step 2: Convert to fraction form
    17,312.12/25,969.41 = 6,218.90/x
  3. Step 3: Cross multiply
    17,312.12x = 25,969.41 × 6,218.90
  4. Step 4: Simplify right side
    17,312.12x = 161,501,034.00
  5. Step 5: Solve for x
    x = 161,501,034.00/17,312.12
  6. Step 6: Final answer
    x = 9,328.79

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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.