Home / 7,769.79-10,726.28-5,265.13

Finding the Fourth Proportional to 7,769.79, 10,726.28 and 5,265.13

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Solution

The fourth proportional to 7,769.79, 10,726.28 and 5,265.13 is: 7,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.79 : 10,726.28 = 5,265.13 : x
  2. Step 2: Convert to fraction form
    7,769.79/10,726.28 = 5,265.13/x
  3. Step 3: Cross multiply
    7,769.79x = 10,726.28 × 5,265.13
  4. Step 4: Simplify right side
    7,769.79x = 56,475,232.29
  5. Step 5: Solve for x
    x = 56,475,232.29/7,769.79
  6. Step 6: Final answer
    x = 7,268.57

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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.