Home / 11,699.52-16,145.37-6,983.70

Finding the Fourth Proportional to 11,699.52, 16,145.37 and 6,983.70

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Solution

The fourth proportional to 11,699.52, 16,145.37 and 6,983.70 is: 9,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.52 : 16,145.37 = 6,983.70 : x
  2. Step 2: Convert to fraction form
    11,699.52/16,145.37 = 6,983.70/x
  3. Step 3: Cross multiply
    11,699.52x = 16,145.37 × 6,983.70
  4. Step 4: Simplify right side
    11,699.52x = 112,754,420.47
  5. Step 5: Solve for x
    x = 112,754,420.47/11,699.52
  6. Step 6: Final answer
    x = 9,637.53

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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.