Home / 8,643.96-11,930.70-5,060.58

Finding the Fourth Proportional to 8,643.96, 11,930.70 and 5,060.58

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Solution

The fourth proportional to 8,643.96, 11,930.70 and 5,060.58 is: 6,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.96 : 11,930.70 = 5,060.58 : x
  2. Step 2: Convert to fraction form
    8,643.96/11,930.70 = 5,060.58/x
  3. Step 3: Cross multiply
    8,643.96x = 11,930.70 × 5,060.58
  4. Step 4: Simplify right side
    8,643.96x = 60,376,261.81
  5. Step 5: Solve for x
    x = 60,376,261.81/8,643.96
  6. Step 6: Final answer
    x = 6,984.79

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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.