Home / 11,307.08-16,947-4,185.63

Finding the Fourth Proportional to 11,307.08, 16,947 and 4,185.63

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Solution

The fourth proportional to 11,307.08, 16,947 and 4,185.63 is: 6,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.08 : 16,947 = 4,185.63 : x
  2. Step 2: Convert to fraction form
    11,307.08/16,947 = 4,185.63/x
  3. Step 3: Cross multiply
    11,307.08x = 16,947 × 4,185.63
  4. Step 4: Simplify right side
    11,307.08x = 70,933,871.61
  5. Step 5: Solve for x
    x = 70,933,871.61/11,307.08
  6. Step 6: Final answer
    x = 6,273.40

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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.