Home / 12,271.48-16,934.39-7,235.91

Finding the Fourth Proportional to 12,271.48, 16,934.39 and 7,235.91

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Solution

The fourth proportional to 12,271.48, 16,934.39 and 7,235.91 is: 9,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.48 : 16,934.39 = 7,235.91 : x
  2. Step 2: Convert to fraction form
    12,271.48/16,934.39 = 7,235.91/x
  3. Step 3: Cross multiply
    12,271.48x = 16,934.39 × 7,235.91
  4. Step 4: Simplify right side
    12,271.48x = 122,535,721.94
  5. Step 5: Solve for x
    x = 122,535,721.94/12,271.48
  6. Step 6: Final answer
    x = 9,985.41

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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.