Home / 10,116.81-15,100.30-9,493.51

Finding the Fourth Proportional to 10,116.81, 15,100.30 and 9,493.51

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Solution

The fourth proportional to 10,116.81, 15,100.30 and 9,493.51 is: 14,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.81 : 15,100.30 = 9,493.51 : x
  2. Step 2: Convert to fraction form
    10,116.81/15,100.30 = 9,493.51/x
  3. Step 3: Cross multiply
    10,116.81x = 15,100.30 × 9,493.51
  4. Step 4: Simplify right side
    10,116.81x = 143,354,863.07
  5. Step 5: Solve for x
    x = 143,354,863.07/10,116.81
  6. Step 6: Final answer
    x = 14,169.97

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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.