Home / 10,228.56-15,344.88-3,655.68

Finding the Fourth Proportional to 10,228.56, 15,344.88 and 3,655.68

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Solution

The fourth proportional to 10,228.56, 15,344.88 and 3,655.68 is: 5,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.56 : 15,344.88 = 3,655.68 : x
  2. Step 2: Convert to fraction form
    10,228.56/15,344.88 = 3,655.68/x
  3. Step 3: Cross multiply
    10,228.56x = 15,344.88 × 3,655.68
  4. Step 4: Simplify right side
    10,228.56x = 56,095,970.92
  5. Step 5: Solve for x
    x = 56,095,970.92/10,228.56
  6. Step 6: Final answer
    x = 5,484.25

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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.