Home / 10,947.36-16,421.52-4,018.08

Finding the Fourth Proportional to 10,947.36, 16,421.52 and 4,018.08

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Solution

The fourth proportional to 10,947.36, 16,421.52 and 4,018.08 is: 6,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.36 : 16,421.52 = 4,018.08 : x
  2. Step 2: Convert to fraction form
    10,947.36/16,421.52 = 4,018.08/x
  3. Step 3: Cross multiply
    10,947.36x = 16,421.52 × 4,018.08
  4. Step 4: Simplify right side
    10,947.36x = 65,982,981.08
  5. Step 5: Solve for x
    x = 65,982,981.08/10,947.36
  6. Step 6: Final answer
    x = 6,027.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.