Home / 7,617.59-10,512.22-4,430.95

Finding the Fourth Proportional to 7,617.59, 10,512.22 and 4,430.95

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Solution

The fourth proportional to 7,617.59, 10,512.22 and 4,430.95 is: 6,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.59 : 10,512.22 = 4,430.95 : x
  2. Step 2: Convert to fraction form
    7,617.59/10,512.22 = 4,430.95/x
  3. Step 3: Cross multiply
    7,617.59x = 10,512.22 × 4,430.95
  4. Step 4: Simplify right side
    7,617.59x = 46,579,121.21
  5. Step 5: Solve for x
    x = 46,579,121.21/7,617.59
  6. Step 6: Final answer
    x = 6,114.68

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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.