Home / 10,103.41-15,182.80-9,530.23

Finding the Fourth Proportional to 10,103.41, 15,182.80 and 9,530.23

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Solution

The fourth proportional to 10,103.41, 15,182.80 and 9,530.23 is: 14,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.41 : 15,182.80 = 9,530.23 : x
  2. Step 2: Convert to fraction form
    10,103.41/15,182.80 = 9,530.23/x
  3. Step 3: Cross multiply
    10,103.41x = 15,182.80 × 9,530.23
  4. Step 4: Simplify right side
    10,103.41x = 144,695,476.30
  5. Step 5: Solve for x
    x = 144,695,476.30/10,103.41
  6. Step 6: Final answer
    x = 14,321.46

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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.