Home / 11,970.27-16,518.47-6,664.95

Finding the Fourth Proportional to 11,970.27, 16,518.47 and 6,664.95

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Solution

The fourth proportional to 11,970.27, 16,518.47 and 6,664.95 is: 9,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.27 : 16,518.47 = 6,664.95 : x
  2. Step 2: Convert to fraction form
    11,970.27/16,518.47 = 6,664.95/x
  3. Step 3: Cross multiply
    11,970.27x = 16,518.47 × 6,664.95
  4. Step 4: Simplify right side
    11,970.27x = 110,094,743.30
  5. Step 5: Solve for x
    x = 110,094,743.30/11,970.27
  6. Step 6: Final answer
    x = 9,197.35

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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.