Home / 11,210.32-16,815.52-5,047.12

Finding the Fourth Proportional to 11,210.32, 16,815.52 and 5,047.12

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Solution

The fourth proportional to 11,210.32, 16,815.52 and 5,047.12 is: 7,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.32 : 16,815.52 = 5,047.12 : x
  2. Step 2: Convert to fraction form
    11,210.32/16,815.52 = 5,047.12/x
  3. Step 3: Cross multiply
    11,210.32x = 16,815.52 × 5,047.12
  4. Step 4: Simplify right side
    11,210.32x = 84,869,947.30
  5. Step 5: Solve for x
    x = 84,869,947.30/11,210.32
  6. Step 6: Final answer
    x = 7,570.70

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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.