Home / 9,101.93-12,560.47-5,122.94

Finding the Fourth Proportional to 9,101.93, 12,560.47 and 5,122.94

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Solution

The fourth proportional to 9,101.93, 12,560.47 and 5,122.94 is: 7,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.93 : 12,560.47 = 5,122.94 : x
  2. Step 2: Convert to fraction form
    9,101.93/12,560.47 = 5,122.94/x
  3. Step 3: Cross multiply
    9,101.93x = 12,560.47 × 5,122.94
  4. Step 4: Simplify right side
    9,101.93x = 64,346,458.57
  5. Step 5: Solve for x
    x = 64,346,458.57/9,101.93
  6. Step 6: Final answer
    x = 7,069.54

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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.