Home / 8,376.76-11,561.34-4,842.01

Finding the Fourth Proportional to 8,376.76, 11,561.34 and 4,842.01

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Solution

The fourth proportional to 8,376.76, 11,561.34 and 4,842.01 is: 6,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.76 : 11,561.34 = 4,842.01 : x
  2. Step 2: Convert to fraction form
    8,376.76/11,561.34 = 4,842.01/x
  3. Step 3: Cross multiply
    8,376.76x = 11,561.34 × 4,842.01
  4. Step 4: Simplify right side
    8,376.76x = 55,980,123.89
  5. Step 5: Solve for x
    x = 55,980,123.89/8,376.76
  6. Step 6: Final answer
    x = 6,682.79

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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.