Home / 8,774.44-12,106.80-5,586.59

Finding the Fourth Proportional to 8,774.44, 12,106.80 and 5,586.59

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Solution

The fourth proportional to 8,774.44, 12,106.80 and 5,586.59 is: 7,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.44 : 12,106.80 = 5,586.59 : x
  2. Step 2: Convert to fraction form
    8,774.44/12,106.80 = 5,586.59/x
  3. Step 3: Cross multiply
    8,774.44x = 12,106.80 × 5,586.59
  4. Step 4: Simplify right side
    8,774.44x = 67,635,727.81
  5. Step 5: Solve for x
    x = 67,635,727.81/8,774.44
  6. Step 6: Final answer
    x = 7,708.27

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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.