Home / 7,975.76-11,007.18-4,618.63

Finding the Fourth Proportional to 7,975.76, 11,007.18 and 4,618.63

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Solution

The fourth proportional to 7,975.76, 11,007.18 and 4,618.63 is: 6,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.76 : 11,007.18 = 4,618.63 : x
  2. Step 2: Convert to fraction form
    7,975.76/11,007.18 = 4,618.63/x
  3. Step 3: Cross multiply
    7,975.76x = 11,007.18 × 4,618.63
  4. Step 4: Simplify right side
    7,975.76x = 50,838,013.63
  5. Step 5: Solve for x
    x = 50,838,013.63/7,975.76
  6. Step 6: Final answer
    x = 6,374.07

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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.