Home / 12,483.02-18,718.26-4,160.12

Finding the Fourth Proportional to 12,483.02, 18,718.26 and 4,160.12

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Solution

The fourth proportional to 12,483.02, 18,718.26 and 4,160.12 is: 6,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.02 : 18,718.26 = 4,160.12 : x
  2. Step 2: Convert to fraction form
    12,483.02/18,718.26 = 4,160.12/x
  3. Step 3: Cross multiply
    12,483.02x = 18,718.26 × 4,160.12
  4. Step 4: Simplify right side
    12,483.02x = 77,870,207.79
  5. Step 5: Solve for x
    x = 77,870,207.79/12,483.02
  6. Step 6: Final answer
    x = 6,238.09

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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.