Home / 8,356.12-11,534.45-5,701.64

Finding the Fourth Proportional to 8,356.12, 11,534.45 and 5,701.64

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Solution

The fourth proportional to 8,356.12, 11,534.45 and 5,701.64 is: 7,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.12 : 11,534.45 = 5,701.64 : x
  2. Step 2: Convert to fraction form
    8,356.12/11,534.45 = 5,701.64/x
  3. Step 3: Cross multiply
    8,356.12x = 11,534.45 × 5,701.64
  4. Step 4: Simplify right side
    8,356.12x = 65,765,195.32
  5. Step 5: Solve for x
    x = 65,765,195.32/8,356.12
  6. Step 6: Final answer
    x = 7,870.31

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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.