Home / 9,283.17-12,804.15-6,143.61

Finding the Fourth Proportional to 9,283.17, 12,804.15 and 6,143.61

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Solution

The fourth proportional to 9,283.17, 12,804.15 and 6,143.61 is: 8,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.17 : 12,804.15 = 6,143.61 : x
  2. Step 2: Convert to fraction form
    9,283.17/12,804.15 = 6,143.61/x
  3. Step 3: Cross multiply
    9,283.17x = 12,804.15 × 6,143.61
  4. Step 4: Simplify right side
    9,283.17x = 78,663,703.98
  5. Step 5: Solve for x
    x = 78,663,703.98/9,283.17
  6. Step 6: Final answer
    x = 8,473.80

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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.