Home / 12,071.48-16,658.60-6,766.28

Finding the Fourth Proportional to 12,071.48, 16,658.60 and 6,766.28

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Solution

The fourth proportional to 12,071.48, 16,658.60 and 6,766.28 is: 9,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.48 : 16,658.60 = 6,766.28 : x
  2. Step 2: Convert to fraction form
    12,071.48/16,658.60 = 6,766.28/x
  3. Step 3: Cross multiply
    12,071.48x = 16,658.60 × 6,766.28
  4. Step 4: Simplify right side
    12,071.48x = 112,716,752.01
  5. Step 5: Solve for x
    x = 112,716,752.01/12,071.48
  6. Step 6: Final answer
    x = 9,337.44

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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.