Home / 11,983.45-16,417.40-11,534.53

Finding the Fourth Proportional to 11,983.45, 16,417.40 and 11,534.53

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Solution

The fourth proportional to 11,983.45, 16,417.40 and 11,534.53 is: 15,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.45 : 16,417.40 = 11,534.53 : x
  2. Step 2: Convert to fraction form
    11,983.45/16,417.40 = 11,534.53/x
  3. Step 3: Cross multiply
    11,983.45x = 16,417.40 × 11,534.53
  4. Step 4: Simplify right side
    11,983.45x = 189,366,992.82
  5. Step 5: Solve for x
    x = 189,366,992.82/11,983.45
  6. Step 6: Final answer
    x = 15,802.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.