Home / 12,271.48-16,935.17-6,966.79

Finding the Fourth Proportional to 12,271.48, 16,935.17 and 6,966.79

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Solution

The fourth proportional to 12,271.48, 16,935.17 and 6,966.79 is: 9,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.48 : 16,935.17 = 6,966.79 : x
  2. Step 2: Convert to fraction form
    12,271.48/16,935.17 = 6,966.79/x
  3. Step 3: Cross multiply
    12,271.48x = 16,935.17 × 6,966.79
  4. Step 4: Simplify right side
    12,271.48x = 117,983,773.00
  5. Step 5: Solve for x
    x = 117,983,773.00/12,271.48
  6. Step 6: Final answer
    x = 9,614.47

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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.