Home / 7,224.12-10,828.80-4,443.12

Finding the Fourth Proportional to 7,224.12, 10,828.80 and 4,443.12

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Solution

The fourth proportional to 7,224.12, 10,828.80 and 4,443.12 is: 6,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.12 : 10,828.80 = 4,443.12 : x
  2. Step 2: Convert to fraction form
    7,224.12/10,828.80 = 4,443.12/x
  3. Step 3: Cross multiply
    7,224.12x = 10,828.80 × 4,443.12
  4. Step 4: Simplify right side
    7,224.12x = 48,113,657.86
  5. Step 5: Solve for x
    x = 48,113,657.86/7,224.12
  6. Step 6: Final answer
    x = 6,660.14

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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.