Home / 7,975.23-11,005.84-4,618.22

Finding the Fourth Proportional to 7,975.23, 11,005.84 and 4,618.22

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Solution

The fourth proportional to 7,975.23, 11,005.84 and 4,618.22 is: 6,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.23 : 11,005.84 = 4,618.22 : x
  2. Step 2: Convert to fraction form
    7,975.23/11,005.84 = 4,618.22/x
  3. Step 3: Cross multiply
    7,975.23x = 11,005.84 × 4,618.22
  4. Step 4: Simplify right side
    7,975.23x = 50,827,341.15
  5. Step 5: Solve for x
    x = 50,827,341.15/7,975.23
  6. Step 6: Final answer
    x = 6,373.15

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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.