Home / 12,434.70-18,646.59-6,589.95

Finding the Fourth Proportional to 12,434.70, 18,646.59 and 6,589.95

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Solution

The fourth proportional to 12,434.70, 18,646.59 and 6,589.95 is: 9,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.70 : 18,646.59 = 6,589.95 : x
  2. Step 2: Convert to fraction form
    12,434.70/18,646.59 = 6,589.95/x
  3. Step 3: Cross multiply
    12,434.70x = 18,646.59 × 6,589.95
  4. Step 4: Simplify right side
    12,434.70x = 122,880,095.77
  5. Step 5: Solve for x
    x = 122,880,095.77/12,434.70
  6. Step 6: Final answer
    x = 9,882.03

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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.