Home / 10,723.80-14,806.08-6,696.78

Finding the Fourth Proportional to 10,723.80, 14,806.08 and 6,696.78

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Solution

The fourth proportional to 10,723.80, 14,806.08 and 6,696.78 is: 9,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.80 : 14,806.08 = 6,696.78 : x
  2. Step 2: Convert to fraction form
    10,723.80/14,806.08 = 6,696.78/x
  3. Step 3: Cross multiply
    10,723.80x = 14,806.08 × 6,696.78
  4. Step 4: Simplify right side
    10,723.80x = 99,153,060.42
  5. Step 5: Solve for x
    x = 99,153,060.42/10,723.80
  6. Step 6: Final answer
    x = 9,246.08

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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.