Home / 12,475.32-18,700.62-5,084.07

Finding the Fourth Proportional to 12,475.32, 18,700.62 and 5,084.07

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Solution

The fourth proportional to 12,475.32, 18,700.62 and 5,084.07 is: 7,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.32 : 18,700.62 = 5,084.07 : x
  2. Step 2: Convert to fraction form
    12,475.32/18,700.62 = 5,084.07/x
  3. Step 3: Cross multiply
    12,475.32x = 18,700.62 × 5,084.07
  4. Step 4: Simplify right side
    12,475.32x = 95,075,261.12
  5. Step 5: Solve for x
    x = 95,075,261.12/12,475.32
  6. Step 6: Final answer
    x = 7,621.07

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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.