Home / 8,779.07-12,116.25-5,003.58

Finding the Fourth Proportional to 8,779.07, 12,116.25 and 5,003.58

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Solution

The fourth proportional to 8,779.07, 12,116.25 and 5,003.58 is: 6,905.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.07 : 12,116.25 = 5,003.58 : x
  2. Step 2: Convert to fraction form
    8,779.07/12,116.25 = 5,003.58/x
  3. Step 3: Cross multiply
    8,779.07x = 12,116.25 × 5,003.58
  4. Step 4: Simplify right side
    8,779.07x = 60,624,626.18
  5. Step 5: Solve for x
    x = 60,624,626.18/8,779.07
  6. Step 6: Final answer
    x = 6,905.59

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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.