Home / 7,385.51-10,192.11-4,028.32

Finding the Fourth Proportional to 7,385.51, 10,192.11 and 4,028.32

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Solution

The fourth proportional to 7,385.51, 10,192.11 and 4,028.32 is: 5,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.51 : 10,192.11 = 4,028.32 : x
  2. Step 2: Convert to fraction form
    7,385.51/10,192.11 = 4,028.32/x
  3. Step 3: Cross multiply
    7,385.51x = 10,192.11 × 4,028.32
  4. Step 4: Simplify right side
    7,385.51x = 41,057,080.56
  5. Step 5: Solve for x
    x = 41,057,080.56/7,385.51
  6. Step 6: Final answer
    x = 5,559.14

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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.