Home / 7,960.06-10,985.70-4,424.41

Finding the Fourth Proportional to 7,960.06, 10,985.70 and 4,424.41

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Solution

The fourth proportional to 7,960.06, 10,985.70 and 4,424.41 is: 6,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.06 : 10,985.70 = 4,424.41 : x
  2. Step 2: Convert to fraction form
    7,960.06/10,985.70 = 4,424.41/x
  3. Step 3: Cross multiply
    7,960.06x = 10,985.70 × 4,424.41
  4. Step 4: Simplify right side
    7,960.06x = 48,605,240.94
  5. Step 5: Solve for x
    x = 48,605,240.94/7,960.06
  6. Step 6: Final answer
    x = 6,106.14

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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.