Home / 7,335.09-10,122.30-4,148.34

Finding the Fourth Proportional to 7,335.09, 10,122.30 and 4,148.34

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Solution

The fourth proportional to 7,335.09, 10,122.30 and 4,148.34 is: 5,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.09 : 10,122.30 = 4,148.34 : x
  2. Step 2: Convert to fraction form
    7,335.09/10,122.30 = 4,148.34/x
  3. Step 3: Cross multiply
    7,335.09x = 10,122.30 × 4,148.34
  4. Step 4: Simplify right side
    7,335.09x = 41,990,741.98
  5. Step 5: Solve for x
    x = 41,990,741.98/7,335.09
  6. Step 6: Final answer
    x = 5,724.64

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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.