Home / 6,254.08-9,378.48-1,872.16

Finding the Fourth Proportional to 6,254.08, 9,378.48 and 1,872.16

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Solution

The fourth proportional to 6,254.08, 9,378.48 and 1,872.16 is: 2,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.08 : 9,378.48 = 1,872.16 : x
  2. Step 2: Convert to fraction form
    6,254.08/9,378.48 = 1,872.16/x
  3. Step 3: Cross multiply
    6,254.08x = 9,378.48 × 1,872.16
  4. Step 4: Simplify right side
    6,254.08x = 17,558,015.12
  5. Step 5: Solve for x
    x = 17,558,015.12/6,254.08
  6. Step 6: Final answer
    x = 2,807.45

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1.5x scale

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.