Home / 9,122.35-12,588.84-4,930.60

Finding the Fourth Proportional to 9,122.35, 12,588.84 and 4,930.60

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Solution

The fourth proportional to 9,122.35, 12,588.84 and 4,930.60 is: 6,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.35 : 12,588.84 = 4,930.60 : x
  2. Step 2: Convert to fraction form
    9,122.35/12,588.84 = 4,930.60/x
  3. Step 3: Cross multiply
    9,122.35x = 12,588.84 × 4,930.60
  4. Step 4: Simplify right side
    9,122.35x = 62,070,503.03
  5. Step 5: Solve for x
    x = 62,070,503.03/9,122.35
  6. Step 6: Final answer
    x = 6,804.22

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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.