Home / 10,790.52-16,185.76-2,999.40

Finding the Fourth Proportional to 10,790.52, 16,185.76 and 2,999.40

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Solution

The fourth proportional to 10,790.52, 16,185.76 and 2,999.40 is: 4,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.52 : 16,185.76 = 2,999.40 : x
  2. Step 2: Convert to fraction form
    10,790.52/16,185.76 = 2,999.40/x
  3. Step 3: Cross multiply
    10,790.52x = 16,185.76 × 2,999.40
  4. Step 4: Simplify right side
    10,790.52x = 48,547,568.54
  5. Step 5: Solve for x
    x = 48,547,568.54/10,790.52
  6. Step 6: Final answer
    x = 4,499.09

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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.