Home / 6,740.12-9,307.10-4,226.45

Finding the Fourth Proportional to 6,740.12, 9,307.10 and 4,226.45

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Solution

The fourth proportional to 6,740.12, 9,307.10 and 4,226.45 is: 5,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.12 : 9,307.10 = 4,226.45 : x
  2. Step 2: Convert to fraction form
    6,740.12/9,307.10 = 4,226.45/x
  3. Step 3: Cross multiply
    6,740.12x = 9,307.10 × 4,226.45
  4. Step 4: Simplify right side
    6,740.12x = 39,335,956.83
  5. Step 5: Solve for x
    x = 39,335,956.83/6,740.12
  6. Step 6: Final answer
    x = 5,836.09

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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.