Home / 7,976.07-11,006.55-4,618.62

Finding the Fourth Proportional to 7,976.07, 11,006.55 and 4,618.62

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Solution

The fourth proportional to 7,976.07, 11,006.55 and 4,618.62 is: 6,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.07 : 11,006.55 = 4,618.62 : x
  2. Step 2: Convert to fraction form
    7,976.07/11,006.55 = 4,618.62/x
  3. Step 3: Cross multiply
    7,976.07x = 11,006.55 × 4,618.62
  4. Step 4: Simplify right side
    7,976.07x = 50,835,071.96
  5. Step 5: Solve for x
    x = 50,835,071.96/7,976.07
  6. Step 6: Final answer
    x = 6,373.45

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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.