Home / 10,198.24-15,291.11-9,328.07

Finding the Fourth Proportional to 10,198.24, 15,291.11 and 9,328.07

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Solution

The fourth proportional to 10,198.24, 15,291.11 and 9,328.07 is: 13,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.24 : 15,291.11 = 9,328.07 : x
  2. Step 2: Convert to fraction form
    10,198.24/15,291.11 = 9,328.07/x
  3. Step 3: Cross multiply
    10,198.24x = 15,291.11 × 9,328.07
  4. Step 4: Simplify right side
    10,198.24x = 142,636,606.01
  5. Step 5: Solve for x
    x = 142,636,606.01/10,198.24
  6. Step 6: Final answer
    x = 13,986.40

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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.