Home / 8,961.58-13,430.06-4,569.81

Finding the Fourth Proportional to 8,961.58, 13,430.06 and 4,569.81

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Solution

The fourth proportional to 8,961.58, 13,430.06 and 4,569.81 is: 6,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.58 : 13,430.06 = 4,569.81 : x
  2. Step 2: Convert to fraction form
    8,961.58/13,430.06 = 4,569.81/x
  3. Step 3: Cross multiply
    8,961.58x = 13,430.06 × 4,569.81
  4. Step 4: Simplify right side
    8,961.58x = 61,372,833.91
  5. Step 5: Solve for x
    x = 61,372,833.91/8,961.58
  6. Step 6: Final answer
    x = 6,848.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.