Home / 10,955.31-16,433.84-4,715.47

Finding the Fourth Proportional to 10,955.31, 16,433.84 and 4,715.47

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Solution

The fourth proportional to 10,955.31, 16,433.84 and 4,715.47 is: 7,073.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.31 : 16,433.84 = 4,715.47 : x
  2. Step 2: Convert to fraction form
    10,955.31/16,433.84 = 4,715.47/x
  3. Step 3: Cross multiply
    10,955.31x = 16,433.84 × 4,715.47
  4. Step 4: Simplify right side
    10,955.31x = 77,493,279.50
  5. Step 5: Solve for x
    x = 77,493,279.50/10,955.31
  6. Step 6: Final answer
    x = 7,073.58

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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.