Home / 9,353.25-12,907.53-5,161.77

Finding the Fourth Proportional to 9,353.25, 12,907.53 and 5,161.77

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Solution

The fourth proportional to 9,353.25, 12,907.53 and 5,161.77 is: 7,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.25 : 12,907.53 = 5,161.77 : x
  2. Step 2: Convert to fraction form
    9,353.25/12,907.53 = 5,161.77/x
  3. Step 3: Cross multiply
    9,353.25x = 12,907.53 × 5,161.77
  4. Step 4: Simplify right side
    9,353.25x = 66,625,701.13
  5. Step 5: Solve for x
    x = 66,625,701.13/9,353.25
  6. Step 6: Final answer
    x = 7,123.27

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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.