Home / 12,461.54-18,695.48-4,141.60

Finding the Fourth Proportional to 12,461.54, 18,695.48 and 4,141.60

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Solution

The fourth proportional to 12,461.54, 18,695.48 and 4,141.60 is: 6,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.54 : 18,695.48 = 4,141.60 : x
  2. Step 2: Convert to fraction form
    12,461.54/18,695.48 = 4,141.60/x
  3. Step 3: Cross multiply
    12,461.54x = 18,695.48 × 4,141.60
  4. Step 4: Simplify right side
    12,461.54x = 77,429,132.52
  5. Step 5: Solve for x
    x = 77,429,132.52/12,461.54
  6. Step 6: Final answer
    x = 6,213.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.