Home / 10,433.81-14,398.66-5,718.09

Finding the Fourth Proportional to 10,433.81, 14,398.66 and 5,718.09

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Solution

The fourth proportional to 10,433.81, 14,398.66 and 5,718.09 is: 7,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.81 : 14,398.66 = 5,718.09 : x
  2. Step 2: Convert to fraction form
    10,433.81/14,398.66 = 5,718.09/x
  3. Step 3: Cross multiply
    10,433.81x = 14,398.66 × 5,718.09
  4. Step 4: Simplify right side
    10,433.81x = 82,332,894.90
  5. Step 5: Solve for x
    x = 82,332,894.90/10,433.81
  6. Step 6: Final answer
    x = 7,890.97

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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.