Home / 7,330.32-10,115.96-4,186.51

Finding the Fourth Proportional to 7,330.32, 10,115.96 and 4,186.51

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Solution

The fourth proportional to 7,330.32, 10,115.96 and 4,186.51 is: 5,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.32 : 10,115.96 = 4,186.51 : x
  2. Step 2: Convert to fraction form
    7,330.32/10,115.96 = 4,186.51/x
  3. Step 3: Cross multiply
    7,330.32x = 10,115.96 × 4,186.51
  4. Step 4: Simplify right side
    7,330.32x = 42,350,567.70
  5. Step 5: Solve for x
    x = 42,350,567.70/7,330.32
  6. Step 6: Final answer
    x = 5,777.45

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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.