Home / 11,309.16-15,608.52-6,275.01

Finding the Fourth Proportional to 11,309.16, 15,608.52 and 6,275.01

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Solution

The fourth proportional to 11,309.16, 15,608.52 and 6,275.01 is: 8,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.16 : 15,608.52 = 6,275.01 : x
  2. Step 2: Convert to fraction form
    11,309.16/15,608.52 = 6,275.01/x
  3. Step 3: Cross multiply
    11,309.16x = 15,608.52 × 6,275.01
  4. Step 4: Simplify right side
    11,309.16x = 97,943,558.54
  5. Step 5: Solve for x
    x = 97,943,558.54/11,309.16
  6. Step 6: Final answer
    x = 8,660.55

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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.