Home / 7,975.98-11,007.09-4,618.80

Finding the Fourth Proportional to 7,975.98, 11,007.09 and 4,618.80

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Solution

The fourth proportional to 7,975.98, 11,007.09 and 4,618.80 is: 6,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.98 : 11,007.09 = 4,618.80 : x
  2. Step 2: Convert to fraction form
    7,975.98/11,007.09 = 4,618.80/x
  3. Step 3: Cross multiply
    7,975.98x = 11,007.09 × 4,618.80
  4. Step 4: Simplify right side
    7,975.98x = 50,839,547.29
  5. Step 5: Solve for x
    x = 50,839,547.29/7,975.98
  6. Step 6: Final answer
    x = 6,374.08

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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.