Home / 11,423.23-15,769.18-6,707.81

Finding the Fourth Proportional to 11,423.23, 15,769.18 and 6,707.81

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Solution

The fourth proportional to 11,423.23, 15,769.18 and 6,707.81 is: 9,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.23 : 15,769.18 = 6,707.81 : x
  2. Step 2: Convert to fraction form
    11,423.23/15,769.18 = 6,707.81/x
  3. Step 3: Cross multiply
    11,423.23x = 15,769.18 × 6,707.81
  4. Step 4: Simplify right side
    11,423.23x = 105,776,711.10
  5. Step 5: Solve for x
    x = 105,776,711.10/11,423.23
  6. Step 6: Final answer
    x = 9,259.79

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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.