Home / 11,027.20-16,547.20-4,102.40

Finding the Fourth Proportional to 11,027.20, 16,547.20 and 4,102.40

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Solution

The fourth proportional to 11,027.20, 16,547.20 and 4,102.40 is: 6,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.20 : 16,547.20 = 4,102.40 : x
  2. Step 2: Convert to fraction form
    11,027.20/16,547.20 = 4,102.40/x
  3. Step 3: Cross multiply
    11,027.20x = 16,547.20 × 4,102.40
  4. Step 4: Simplify right side
    11,027.20x = 67,883,233.28
  5. Step 5: Solve for x
    x = 67,883,233.28/11,027.20
  6. Step 6: Final answer
    x = 6,155.98

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1.5x scale

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.