Home / 7,621.61-10,518.22-4,264.22

Finding the Fourth Proportional to 7,621.61, 10,518.22 and 4,264.22

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Solution

The fourth proportional to 7,621.61, 10,518.22 and 4,264.22 is: 5,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.61 : 10,518.22 = 4,264.22 : x
  2. Step 2: Convert to fraction form
    7,621.61/10,518.22 = 4,264.22/x
  3. Step 3: Cross multiply
    7,621.61x = 10,518.22 × 4,264.22
  4. Step 4: Simplify right side
    7,621.61x = 44,851,951.50
  5. Step 5: Solve for x
    x = 44,851,951.50/7,621.61
  6. Step 6: Final answer
    x = 5,884.84

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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.