Home / 7,965.07-10,988.95-5,476.75

Finding the Fourth Proportional to 7,965.07, 10,988.95 and 5,476.75

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Solution

The fourth proportional to 7,965.07, 10,988.95 and 5,476.75 is: 7,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.07 : 10,988.95 = 5,476.75 : x
  2. Step 2: Convert to fraction form
    7,965.07/10,988.95 = 5,476.75/x
  3. Step 3: Cross multiply
    7,965.07x = 10,988.95 × 5,476.75
  4. Step 4: Simplify right side
    7,965.07x = 60,183,731.91
  5. Step 5: Solve for x
    x = 60,183,731.91/7,965.07
  6. Step 6: Final answer
    x = 7,555.96

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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.