Home / 10,261.28-14,159.12-5,784.96

Finding the Fourth Proportional to 10,261.28, 14,159.12 and 5,784.96

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Solution

The fourth proportional to 10,261.28, 14,159.12 and 5,784.96 is: 7,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.28 : 14,159.12 = 5,784.96 : x
  2. Step 2: Convert to fraction form
    10,261.28/14,159.12 = 5,784.96/x
  3. Step 3: Cross multiply
    10,261.28x = 14,159.12 × 5,784.96
  4. Step 4: Simplify right side
    10,261.28x = 81,909,942.84
  5. Step 5: Solve for x
    x = 81,909,942.84/10,261.28
  6. Step 6: Final answer
    x = 7,982.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.