Home / 7,975.17-11,007.63-4,830.75

Finding the Fourth Proportional to 7,975.17, 11,007.63 and 4,830.75

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Solution

The fourth proportional to 7,975.17, 11,007.63 and 4,830.75 is: 6,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.17 : 11,007.63 = 4,830.75 : x
  2. Step 2: Convert to fraction form
    7,975.17/11,007.63 = 4,830.75/x
  3. Step 3: Cross multiply
    7,975.17x = 11,007.63 × 4,830.75
  4. Step 4: Simplify right side
    7,975.17x = 53,175,108.62
  5. Step 5: Solve for x
    x = 53,175,108.62/7,975.17
  6. Step 6: Final answer
    x = 6,667.58

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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.