Home / 10,788.20-16,188.58-4,547.83

Finding the Fourth Proportional to 10,788.20, 16,188.58 and 4,547.83

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Solution

The fourth proportional to 10,788.20, 16,188.58 and 4,547.83 is: 6,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.20 : 16,188.58 = 4,547.83 : x
  2. Step 2: Convert to fraction form
    10,788.20/16,188.58 = 4,547.83/x
  3. Step 3: Cross multiply
    10,788.20x = 16,188.58 × 4,547.83
  4. Step 4: Simplify right side
    10,788.20x = 73,622,817.47
  5. Step 5: Solve for x
    x = 73,622,817.47/10,788.20
  6. Step 6: Final answer
    x = 6,824.38

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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.