Home / 7,376.76-10,172.70-4,860.36

Finding the Fourth Proportional to 7,376.76, 10,172.70 and 4,860.36

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Solution

The fourth proportional to 7,376.76, 10,172.70 and 4,860.36 is: 6,702.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.76 : 10,172.70 = 4,860.36 : x
  2. Step 2: Convert to fraction form
    7,376.76/10,172.70 = 4,860.36/x
  3. Step 3: Cross multiply
    7,376.76x = 10,172.70 × 4,860.36
  4. Step 4: Simplify right side
    7,376.76x = 49,442,984.17
  5. Step 5: Solve for x
    x = 49,442,984.17/7,376.76
  6. Step 6: Final answer
    x = 6,702.53

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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.