Home / 11,959.41-16,526.75-8,970.06

Finding the Fourth Proportional to 11,959.41, 16,526.75 and 8,970.06

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Solution

The fourth proportional to 11,959.41, 16,526.75 and 8,970.06 is: 12,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.41 : 16,526.75 = 8,970.06 : x
  2. Step 2: Convert to fraction form
    11,959.41/16,526.75 = 8,970.06/x
  3. Step 3: Cross multiply
    11,959.41x = 16,526.75 × 8,970.06
  4. Step 4: Simplify right side
    11,959.41x = 148,245,939.11
  5. Step 5: Solve for x
    x = 148,245,939.11/11,959.41
  6. Step 6: Final answer
    x = 12,395.76

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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.