Home / 8,295.52-11,447.40-5,151.64

Finding the Fourth Proportional to 8,295.52, 11,447.40 and 5,151.64

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Solution

The fourth proportional to 8,295.52, 11,447.40 and 5,151.64 is: 7,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.52 : 11,447.40 = 5,151.64 : x
  2. Step 2: Convert to fraction form
    8,295.52/11,447.40 = 5,151.64/x
  3. Step 3: Cross multiply
    8,295.52x = 11,447.40 × 5,151.64
  4. Step 4: Simplify right side
    8,295.52x = 58,972,883.74
  5. Step 5: Solve for x
    x = 58,972,883.74/8,295.52
  6. Step 6: Final answer
    x = 7,109.00

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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.