Home / 7,788.12-10,743.48-5,266.86

Finding the Fourth Proportional to 7,788.12, 10,743.48 and 5,266.86

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Solution

The fourth proportional to 7,788.12, 10,743.48 and 5,266.86 is: 7,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.12 : 10,743.48 = 5,266.86 : x
  2. Step 2: Convert to fraction form
    7,788.12/10,743.48 = 5,266.86/x
  3. Step 3: Cross multiply
    7,788.12x = 10,743.48 × 5,266.86
  4. Step 4: Simplify right side
    7,788.12x = 56,584,405.07
  5. Step 5: Solve for x
    x = 56,584,405.07/7,788.12
  6. Step 6: Final answer
    x = 7,265.48

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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.