Home / 7,470.77-10,309.26-4,112.95

Finding the Fourth Proportional to 7,470.77, 10,309.26 and 4,112.95

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Solution

The fourth proportional to 7,470.77, 10,309.26 and 4,112.95 is: 5,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.77 : 10,309.26 = 4,112.95 : x
  2. Step 2: Convert to fraction form
    7,470.77/10,309.26 = 4,112.95/x
  3. Step 3: Cross multiply
    7,470.77x = 10,309.26 × 4,112.95
  4. Step 4: Simplify right side
    7,470.77x = 42,401,411.84
  5. Step 5: Solve for x
    x = 42,401,411.84/7,470.77
  6. Step 6: Final answer
    x = 5,675.64

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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.