Home / 12,013.08-18,026.10-6,470.52

Finding the Fourth Proportional to 12,013.08, 18,026.10 and 6,470.52

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Solution

The fourth proportional to 12,013.08, 18,026.10 and 6,470.52 is: 9,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.08 : 18,026.10 = 6,470.52 : x
  2. Step 2: Convert to fraction form
    12,013.08/18,026.10 = 6,470.52/x
  3. Step 3: Cross multiply
    12,013.08x = 18,026.10 × 6,470.52
  4. Step 4: Simplify right side
    12,013.08x = 116,638,240.57
  5. Step 5: Solve for x
    x = 116,638,240.57/12,013.08
  6. Step 6: Final answer
    x = 9,709.27

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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.