Home / 11,418.12-17,050.01-9,342.18

Finding the Fourth Proportional to 11,418.12, 17,050.01 and 9,342.18

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Solution

The fourth proportional to 11,418.12, 17,050.01 and 9,342.18 is: 13,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.12 : 17,050.01 = 9,342.18 : x
  2. Step 2: Convert to fraction form
    11,418.12/17,050.01 = 9,342.18/x
  3. Step 3: Cross multiply
    11,418.12x = 17,050.01 × 9,342.18
  4. Step 4: Simplify right side
    11,418.12x = 159,284,215.71
  5. Step 5: Solve for x
    x = 159,284,215.71/11,418.12
  6. Step 6: Final answer
    x = 13,950.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.