Home / 10,228.48-15,268.05-8,776.96

Finding the Fourth Proportional to 10,228.48, 15,268.05 and 8,776.96

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Solution

The fourth proportional to 10,228.48, 15,268.05 and 8,776.96 is: 13,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.48 : 15,268.05 = 8,776.96 : x
  2. Step 2: Convert to fraction form
    10,228.48/15,268.05 = 8,776.96/x
  3. Step 3: Cross multiply
    10,228.48x = 15,268.05 × 8,776.96
  4. Step 4: Simplify right side
    10,228.48x = 134,007,064.13
  5. Step 5: Solve for x
    x = 134,007,064.13/10,228.48
  6. Step 6: Final answer
    x = 13,101.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.