Home / 7,861.28-10,848.48-5,502.56

Finding the Fourth Proportional to 7,861.28, 10,848.48 and 5,502.56

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Solution

The fourth proportional to 7,861.28, 10,848.48 and 5,502.56 is: 7,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.28 : 10,848.48 = 5,502.56 : x
  2. Step 2: Convert to fraction form
    7,861.28/10,848.48 = 5,502.56/x
  3. Step 3: Cross multiply
    7,861.28x = 10,848.48 × 5,502.56
  4. Step 4: Simplify right side
    7,861.28x = 59,694,412.11
  5. Step 5: Solve for x
    x = 59,694,412.11/7,861.28
  6. Step 6: Final answer
    x = 7,593.47

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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.