Home / 8,548.32-12,822.35-4,385.93

Finding the Fourth Proportional to 8,548.32, 12,822.35 and 4,385.93

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Solution

The fourth proportional to 8,548.32, 12,822.35 and 4,385.93 is: 6,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.32 : 12,822.35 = 4,385.93 : x
  2. Step 2: Convert to fraction form
    8,548.32/12,822.35 = 4,385.93/x
  3. Step 3: Cross multiply
    8,548.32x = 12,822.35 × 4,385.93
  4. Step 4: Simplify right side
    8,548.32x = 56,237,863.74
  5. Step 5: Solve for x
    x = 56,237,863.74/8,548.32
  6. Step 6: Final answer
    x = 6,578.82

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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.