Home / 10,955.05-16,432.81-3,559.48

Finding the Fourth Proportional to 10,955.05, 16,432.81 and 3,559.48

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Solution

The fourth proportional to 10,955.05, 16,432.81 and 3,559.48 is: 5,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.05 : 16,432.81 = 3,559.48 : x
  2. Step 2: Convert to fraction form
    10,955.05/16,432.81 = 3,559.48/x
  3. Step 3: Cross multiply
    10,955.05x = 16,432.81 × 3,559.48
  4. Step 4: Simplify right side
    10,955.05x = 58,492,208.56
  5. Step 5: Solve for x
    x = 58,492,208.56/10,955.05
  6. Step 6: Final answer
    x = 5,339.29

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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.