Home / 10,253.28-14,148.96-5,776.96

Finding the Fourth Proportional to 10,253.28, 14,148.96 and 5,776.96

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Solution

The fourth proportional to 10,253.28, 14,148.96 and 5,776.96 is: 7,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.28 : 14,148.96 = 5,776.96 : x
  2. Step 2: Convert to fraction form
    10,253.28/14,148.96 = 5,776.96/x
  3. Step 3: Cross multiply
    10,253.28x = 14,148.96 × 5,776.96
  4. Step 4: Simplify right side
    10,253.28x = 81,737,975.96
  5. Step 5: Solve for x
    x = 81,737,975.96/10,253.28
  6. Step 6: Final answer
    x = 7,971.89

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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.