Home / 9,790.15-14,686.76-3,214.84

Finding the Fourth Proportional to 9,790.15, 14,686.76 and 3,214.84

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Solution

The fourth proportional to 9,790.15, 14,686.76 and 3,214.84 is: 4,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.15 : 14,686.76 = 3,214.84 : x
  2. Step 2: Convert to fraction form
    9,790.15/14,686.76 = 3,214.84/x
  3. Step 3: Cross multiply
    9,790.15x = 14,686.76 × 3,214.84
  4. Step 4: Simplify right side
    9,790.15x = 47,215,583.52
  5. Step 5: Solve for x
    x = 47,215,583.52/9,790.15
  6. Step 6: Final answer
    x = 4,822.76

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1.5x scale

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.