Home / 7,335.14-10,122.69-4,148.55

Finding the Fourth Proportional to 7,335.14, 10,122.69 and 4,148.55

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Solution

The fourth proportional to 7,335.14, 10,122.69 and 4,148.55 is: 5,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.14 : 10,122.69 = 4,148.55 : x
  2. Step 2: Convert to fraction form
    7,335.14/10,122.69 = 4,148.55/x
  3. Step 3: Cross multiply
    7,335.14x = 10,122.69 × 4,148.55
  4. Step 4: Simplify right side
    7,335.14x = 41,994,485.60
  5. Step 5: Solve for x
    x = 41,994,485.60/7,335.14
  6. Step 6: Final answer
    x = 5,725.11

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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.