Home / 6,921.42-10,371.49-4,697.36

Finding the Fourth Proportional to 6,921.42, 10,371.49 and 4,697.36

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Solution

The fourth proportional to 6,921.42, 10,371.49 and 4,697.36 is: 7,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.42 : 10,371.49 = 4,697.36 : x
  2. Step 2: Convert to fraction form
    6,921.42/10,371.49 = 4,697.36/x
  3. Step 3: Cross multiply
    6,921.42x = 10,371.49 × 4,697.36
  4. Step 4: Simplify right side
    6,921.42x = 48,718,623.98
  5. Step 5: Solve for x
    x = 48,718,623.98/6,921.42
  6. Step 6: Final answer
    x = 7,038.82

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1.5x scale

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.