Home / 10,412.28-14,368.92-6,220.56

Finding the Fourth Proportional to 10,412.28, 14,368.92 and 6,220.56

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Solution

The fourth proportional to 10,412.28, 14,368.92 and 6,220.56 is: 8,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.28 : 14,368.92 = 6,220.56 : x
  2. Step 2: Convert to fraction form
    10,412.28/14,368.92 = 6,220.56/x
  3. Step 3: Cross multiply
    10,412.28x = 14,368.92 × 6,220.56
  4. Step 4: Simplify right side
    10,412.28x = 89,382,729.00
  5. Step 5: Solve for x
    x = 89,382,729.00/10,412.28
  6. Step 6: Final answer
    x = 8,584.36

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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.