Home / 7,347.96-10,139.22-4,516.80

Finding the Fourth Proportional to 7,347.96, 10,139.22 and 4,516.80

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Solution

The fourth proportional to 7,347.96, 10,139.22 and 4,516.80 is: 6,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.96 : 10,139.22 = 4,516.80 : x
  2. Step 2: Convert to fraction form
    7,347.96/10,139.22 = 4,516.80/x
  3. Step 3: Cross multiply
    7,347.96x = 10,139.22 × 4,516.80
  4. Step 4: Simplify right side
    7,347.96x = 45,796,828.90
  5. Step 5: Solve for x
    x = 45,796,828.90/7,347.96
  6. Step 6: Final answer
    x = 6,232.59

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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.