Home / 10,016.28-13,776.66-8,210.70

Finding the Fourth Proportional to 10,016.28, 13,776.66 and 8,210.70

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Solution

The fourth proportional to 10,016.28, 13,776.66 and 8,210.70 is: 11,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.28 : 13,776.66 = 8,210.70 : x
  2. Step 2: Convert to fraction form
    10,016.28/13,776.66 = 8,210.70/x
  3. Step 3: Cross multiply
    10,016.28x = 13,776.66 × 8,210.70
  4. Step 4: Simplify right side
    10,016.28x = 113,116,022.26
  5. Step 5: Solve for x
    x = 113,116,022.26/10,016.28
  6. Step 6: Final answer
    x = 11,293.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.