Home / 6,672.12-9,207.06-3,688.08

Finding the Fourth Proportional to 6,672.12, 9,207.06 and 3,688.08

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Solution

The fourth proportional to 6,672.12, 9,207.06 and 3,688.08 is: 5,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.12 : 9,207.06 = 3,688.08 : x
  2. Step 2: Convert to fraction form
    6,672.12/9,207.06 = 3,688.08/x
  3. Step 3: Cross multiply
    6,672.12x = 9,207.06 × 3,688.08
  4. Step 4: Simplify right side
    6,672.12x = 33,956,373.84
  5. Step 5: Solve for x
    x = 33,956,373.84/6,672.12
  6. Step 6: Final answer
    x = 5,089.29

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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.