Home / 12,766.01-19,160.85-6,530.47

Finding the Fourth Proportional to 12,766.01, 19,160.85 and 6,530.47

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Solution

The fourth proportional to 12,766.01, 19,160.85 and 6,530.47 is: 9,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.01 : 19,160.85 = 6,530.47 : x
  2. Step 2: Convert to fraction form
    12,766.01/19,160.85 = 6,530.47/x
  3. Step 3: Cross multiply
    12,766.01x = 19,160.85 × 6,530.47
  4. Step 4: Simplify right side
    12,766.01x = 125,129,440.47
  5. Step 5: Solve for x
    x = 125,129,440.47/12,766.01
  6. Step 6: Final answer
    x = 9,801.77

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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.