Home / 7,424.47-10,242.91-4,237.94

Finding the Fourth Proportional to 7,424.47, 10,242.91 and 4,237.94

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Solution

The fourth proportional to 7,424.47, 10,242.91 and 4,237.94 is: 5,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.47 : 10,242.91 = 4,237.94 : x
  2. Step 2: Convert to fraction form
    7,424.47/10,242.91 = 4,237.94/x
  3. Step 3: Cross multiply
    7,424.47x = 10,242.91 × 4,237.94
  4. Step 4: Simplify right side
    7,424.47x = 43,408,853.02
  5. Step 5: Solve for x
    x = 43,408,853.02/7,424.47
  6. Step 6: Final answer
    x = 5,846.73

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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.