Home / 8,615.42-11,886.26-5,633.00

Finding the Fourth Proportional to 8,615.42, 11,886.26 and 5,633.00

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Solution

The fourth proportional to 8,615.42, 11,886.26 and 5,633.00 is: 7,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.42 : 11,886.26 = 5,633.00 : x
  2. Step 2: Convert to fraction form
    8,615.42/11,886.26 = 5,633.00/x
  3. Step 3: Cross multiply
    8,615.42x = 11,886.26 × 5,633.00
  4. Step 4: Simplify right side
    8,615.42x = 66,955,304.13
  5. Step 5: Solve for x
    x = 66,955,304.13/8,615.42
  6. Step 6: Final answer
    x = 7,771.56

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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.