Home / 10,555.06-15,832.78-3,533.76

Finding the Fourth Proportional to 10,555.06, 15,832.78 and 3,533.76

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Solution

The fourth proportional to 10,555.06, 15,832.78 and 3,533.76 is: 5,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.06 : 15,832.78 = 3,533.76 : x
  2. Step 2: Convert to fraction form
    10,555.06/15,832.78 = 3,533.76/x
  3. Step 3: Cross multiply
    10,555.06x = 15,832.78 × 3,533.76
  4. Step 4: Simplify right side
    10,555.06x = 55,949,244.65
  5. Step 5: Solve for x
    x = 55,949,244.65/10,555.06
  6. Step 6: Final answer
    x = 5,300.71

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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.