Home / 7,342.08-11,007.72-4,712.57

Finding the Fourth Proportional to 7,342.08, 11,007.72 and 4,712.57

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Solution

The fourth proportional to 7,342.08, 11,007.72 and 4,712.57 is: 7,065.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.08 : 11,007.72 = 4,712.57 : x
  2. Step 2: Convert to fraction form
    7,342.08/11,007.72 = 4,712.57/x
  3. Step 3: Cross multiply
    7,342.08x = 11,007.72 × 4,712.57
  4. Step 4: Simplify right side
    7,342.08x = 51,874,596.00
  5. Step 5: Solve for x
    x = 51,874,596.00/7,342.08
  6. Step 6: Final answer
    x = 7,065.38

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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.