Home / 7,312.14-10,966.86-1,975.41

Finding the Fourth Proportional to 7,312.14, 10,966.86 and 1,975.41

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Solution

The fourth proportional to 7,312.14, 10,966.86 and 1,975.41 is: 2,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.14 : 10,966.86 = 1,975.41 : x
  2. Step 2: Convert to fraction form
    7,312.14/10,966.86 = 1,975.41/x
  3. Step 3: Cross multiply
    7,312.14x = 10,966.86 × 1,975.41
  4. Step 4: Simplify right side
    7,312.14x = 21,664,044.91
  5. Step 5: Solve for x
    x = 21,664,044.91/7,312.14
  6. Step 6: Final answer
    x = 2,962.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.