Home / 7,622.02-11,436.95-5,772.52

Finding the Fourth Proportional to 7,622.02, 11,436.95 and 5,772.52

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Solution

The fourth proportional to 7,622.02, 11,436.95 and 5,772.52 is: 8,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.02 : 11,436.95 = 5,772.52 : x
  2. Step 2: Convert to fraction form
    7,622.02/11,436.95 = 5,772.52/x
  3. Step 3: Cross multiply
    7,622.02x = 11,436.95 × 5,772.52
  4. Step 4: Simplify right side
    7,622.02x = 66,020,022.61
  5. Step 5: Solve for x
    x = 66,020,022.61/7,622.02
  6. Step 6: Final answer
    x = 8,661.75

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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.