Home / 12,461.76-18,695.52-4,674.24

Finding the Fourth Proportional to 12,461.76, 18,695.52 and 4,674.24

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Solution

The fourth proportional to 12,461.76, 18,695.52 and 4,674.24 is: 7,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.76 : 18,695.52 = 4,674.24 : x
  2. Step 2: Convert to fraction form
    12,461.76/18,695.52 = 4,674.24/x
  3. Step 3: Cross multiply
    12,461.76x = 18,695.52 × 4,674.24
  4. Step 4: Simplify right side
    12,461.76x = 87,387,347.40
  5. Step 5: Solve for x
    x = 87,387,347.40/12,461.76
  6. Step 6: Final answer
    x = 7,012.44

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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.