Home / 11,734.19-16,192.54-6,428.02

Finding the Fourth Proportional to 11,734.19, 16,192.54 and 6,428.02

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Solution

The fourth proportional to 11,734.19, 16,192.54 and 6,428.02 is: 8,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.19 : 16,192.54 = 6,428.02 : x
  2. Step 2: Convert to fraction form
    11,734.19/16,192.54 = 6,428.02/x
  3. Step 3: Cross multiply
    11,734.19x = 16,192.54 × 6,428.02
  4. Step 4: Simplify right side
    11,734.19x = 104,085,970.97
  5. Step 5: Solve for x
    x = 104,085,970.97/11,734.19
  6. Step 6: Final answer
    x = 8,870.32

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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.