Home / 10,790.32-16,168.08-8,492.08

Finding the Fourth Proportional to 10,790.32, 16,168.08 and 8,492.08

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Solution

The fourth proportional to 10,790.32, 16,168.08 and 8,492.08 is: 12,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.32 : 16,168.08 = 8,492.08 : x
  2. Step 2: Convert to fraction form
    10,790.32/16,168.08 = 8,492.08/x
  3. Step 3: Cross multiply
    10,790.32x = 16,168.08 × 8,492.08
  4. Step 4: Simplify right side
    10,790.32x = 137,300,628.81
  5. Step 5: Solve for x
    x = 137,300,628.81/10,790.32
  6. Step 6: Final answer
    x = 12,724.43

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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.