Home / 8,810.74-13,218.14-5,116.06

Finding the Fourth Proportional to 8,810.74, 13,218.14 and 5,116.06

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Solution

The fourth proportional to 8,810.74, 13,218.14 and 5,116.06 is: 7,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.74 : 13,218.14 = 5,116.06 : x
  2. Step 2: Convert to fraction form
    8,810.74/13,218.14 = 5,116.06/x
  3. Step 3: Cross multiply
    8,810.74x = 13,218.14 × 5,116.06
  4. Step 4: Simplify right side
    8,810.74x = 67,624,797.33
  5. Step 5: Solve for x
    x = 67,624,797.33/8,810.74
  6. Step 6: Final answer
    x = 7,675.27

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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.