Home / 11,553.91-15,944.35-6,518.13

Finding the Fourth Proportional to 11,553.91, 15,944.35 and 6,518.13

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Solution

The fourth proportional to 11,553.91, 15,944.35 and 6,518.13 is: 8,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.91 : 15,944.35 = 6,518.13 : x
  2. Step 2: Convert to fraction form
    11,553.91/15,944.35 = 6,518.13/x
  3. Step 3: Cross multiply
    11,553.91x = 15,944.35 × 6,518.13
  4. Step 4: Simplify right side
    11,553.91x = 103,927,419.52
  5. Step 5: Solve for x
    x = 103,927,419.52/11,553.91
  6. Step 6: Final answer
    x = 8,995.00

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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.