Home / 12,031.11-16,603.28-6,725.94

Finding the Fourth Proportional to 12,031.11, 16,603.28 and 6,725.94

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Solution

The fourth proportional to 12,031.11, 16,603.28 and 6,725.94 is: 9,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.11 : 16,603.28 = 6,725.94 : x
  2. Step 2: Convert to fraction form
    12,031.11/16,603.28 = 6,725.94/x
  3. Step 3: Cross multiply
    12,031.11x = 16,603.28 × 6,725.94
  4. Step 4: Simplify right side
    12,031.11x = 111,672,665.08
  5. Step 5: Solve for x
    x = 111,672,665.08/12,031.11
  6. Step 6: Final answer
    x = 9,281.99

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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.