Home / 10,935.50-15,090.99-6,746.18

Finding the Fourth Proportional to 10,935.50, 15,090.99 and 6,746.18

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Solution

The fourth proportional to 10,935.50, 15,090.99 and 6,746.18 is: 9,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.50 : 15,090.99 = 6,746.18 : x
  2. Step 2: Convert to fraction form
    10,935.50/15,090.99 = 6,746.18/x
  3. Step 3: Cross multiply
    10,935.50x = 15,090.99 × 6,746.18
  4. Step 4: Simplify right side
    10,935.50x = 101,806,534.92
  5. Step 5: Solve for x
    x = 101,806,534.92/10,935.50
  6. Step 6: Final answer
    x = 9,309.73

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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.