Home / 8,538.52-11,783.40-4,812.52

Finding the Fourth Proportional to 8,538.52, 11,783.40 and 4,812.52

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Solution

The fourth proportional to 8,538.52, 11,783.40 and 4,812.52 is: 6,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.52 : 11,783.40 = 4,812.52 : x
  2. Step 2: Convert to fraction form
    8,538.52/11,783.40 = 4,812.52/x
  3. Step 3: Cross multiply
    8,538.52x = 11,783.40 × 4,812.52
  4. Step 4: Simplify right side
    8,538.52x = 56,707,848.17
  5. Step 5: Solve for x
    x = 56,707,848.17/8,538.52
  6. Step 6: Final answer
    x = 6,641.41

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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.