Home / 11,595.36-15,976.56-7,862.88

Finding the Fourth Proportional to 11,595.36, 15,976.56 and 7,862.88

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Solution

The fourth proportional to 11,595.36, 15,976.56 and 7,862.88 is: 10,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.36 : 15,976.56 = 7,862.88 : x
  2. Step 2: Convert to fraction form
    11,595.36/15,976.56 = 7,862.88/x
  3. Step 3: Cross multiply
    11,595.36x = 15,976.56 × 7,862.88
  4. Step 4: Simplify right side
    11,595.36x = 125,621,774.09
  5. Step 5: Solve for x
    x = 125,621,774.09/11,595.36
  6. Step 6: Final answer
    x = 10,833.80

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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.