Home / 12,018.08-16,585.62-6,714.92

Finding the Fourth Proportional to 12,018.08, 16,585.62 and 6,714.92

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Solution

The fourth proportional to 12,018.08, 16,585.62 and 6,714.92 is: 9,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018.08 : 16,585.62 = 6,714.92 : x
  2. Step 2: Convert to fraction form
    12,018.08/16,585.62 = 6,714.92/x
  3. Step 3: Cross multiply
    12,018.08x = 16,585.62 × 6,714.92
  4. Step 4: Simplify right side
    12,018.08x = 111,371,111.45
  5. Step 5: Solve for x
    x = 111,371,111.45/12,018.08
  6. Step 6: Final answer
    x = 9,266.96

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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.