Home / 11,959.23-16,526.49-8,969.87

Finding the Fourth Proportional to 11,959.23, 16,526.49 and 8,969.87

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Solution

The fourth proportional to 11,959.23, 16,526.49 and 8,969.87 is: 12,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.23 : 16,526.49 = 8,969.87 : x
  2. Step 2: Convert to fraction form
    11,959.23/16,526.49 = 8,969.87/x
  3. Step 3: Cross multiply
    11,959.23x = 16,526.49 × 8,969.87
  4. Step 4: Simplify right side
    11,959.23x = 148,240,444.43
  5. Step 5: Solve for x
    x = 148,240,444.43/11,959.23
  6. Step 6: Final answer
    x = 12,395.49

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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.