Home / 10,555.92-15,834.24-3,980.52

Finding the Fourth Proportional to 10,555.92, 15,834.24 and 3,980.52

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Solution

The fourth proportional to 10,555.92, 15,834.24 and 3,980.52 is: 5,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.92 : 15,834.24 = 3,980.52 : x
  2. Step 2: Convert to fraction form
    10,555.92/15,834.24 = 3,980.52/x
  3. Step 3: Cross multiply
    10,555.92x = 15,834.24 × 3,980.52
  4. Step 4: Simplify right side
    10,555.92x = 63,028,509.00
  5. Step 5: Solve for x
    x = 63,028,509.00/10,555.92
  6. Step 6: Final answer
    x = 5,970.92

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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.