Home / 10,247.25-14,138.70-6,837.56

Finding the Fourth Proportional to 10,247.25, 14,138.70 and 6,837.56

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Solution

The fourth proportional to 10,247.25, 14,138.70 and 6,837.56 is: 9,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.25 : 14,138.70 = 6,837.56 : x
  2. Step 2: Convert to fraction form
    10,247.25/14,138.70 = 6,837.56/x
  3. Step 3: Cross multiply
    10,247.25x = 14,138.70 × 6,837.56
  4. Step 4: Simplify right side
    10,247.25x = 96,674,174.23
  5. Step 5: Solve for x
    x = 96,674,174.23/10,247.25
  6. Step 6: Final answer
    x = 9,434.16

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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.