Home / 9,138.08-12,610.58-4,946.33

Finding the Fourth Proportional to 9,138.08, 12,610.58 and 4,946.33

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Solution

The fourth proportional to 9,138.08, 12,610.58 and 4,946.33 is: 6,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.08 : 12,610.58 = 4,946.33 : x
  2. Step 2: Convert to fraction form
    9,138.08/12,610.58 = 4,946.33/x
  3. Step 3: Cross multiply
    9,138.08x = 12,610.58 × 4,946.33
  4. Step 4: Simplify right side
    9,138.08x = 62,376,090.17
  5. Step 5: Solve for x
    x = 62,376,090.17/9,138.08
  6. Step 6: Final answer
    x = 6,825.95

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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.