Home / 8,259.60-11,396.52-5,235.66

Finding the Fourth Proportional to 8,259.60, 11,396.52 and 5,235.66

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Solution

The fourth proportional to 8,259.60, 11,396.52 and 5,235.66 is: 7,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.60 : 11,396.52 = 5,235.66 : x
  2. Step 2: Convert to fraction form
    8,259.60/11,396.52 = 5,235.66/x
  3. Step 3: Cross multiply
    8,259.60x = 11,396.52 × 5,235.66
  4. Step 4: Simplify right side
    8,259.60x = 59,668,303.90
  5. Step 5: Solve for x
    x = 59,668,303.90/8,259.60
  6. Step 6: Final answer
    x = 7,224.12

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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.