Home / 11,348.93-15,661.29-6,313.05

Finding the Fourth Proportional to 11,348.93, 15,661.29 and 6,313.05

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Solution

The fourth proportional to 11,348.93, 15,661.29 and 6,313.05 is: 8,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.93 : 15,661.29 = 6,313.05 : x
  2. Step 2: Convert to fraction form
    11,348.93/15,661.29 = 6,313.05/x
  3. Step 3: Cross multiply
    11,348.93x = 15,661.29 × 6,313.05
  4. Step 4: Simplify right side
    11,348.93x = 98,870,428.53
  5. Step 5: Solve for x
    x = 98,870,428.53/11,348.93
  6. Step 6: Final answer
    x = 8,711.88

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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.