Home / 11,309.04-15,608.94-6,275.02

Finding the Fourth Proportional to 11,309.04, 15,608.94 and 6,275.02

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Solution

The fourth proportional to 11,309.04, 15,608.94 and 6,275.02 is: 8,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.04 : 15,608.94 = 6,275.02 : x
  2. Step 2: Convert to fraction form
    11,309.04/15,608.94 = 6,275.02/x
  3. Step 3: Cross multiply
    11,309.04x = 15,608.94 × 6,275.02
  4. Step 4: Simplify right side
    11,309.04x = 97,946,410.68
  5. Step 5: Solve for x
    x = 97,946,410.68/11,309.04
  6. Step 6: Final answer
    x = 8,660.90

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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.