Home / 12,068.85-16,652.31-7,289.58

Finding the Fourth Proportional to 12,068.85, 16,652.31 and 7,289.58

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Solution

The fourth proportional to 12,068.85, 16,652.31 and 7,289.58 is: 10,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.85 : 16,652.31 = 7,289.58 : x
  2. Step 2: Convert to fraction form
    12,068.85/16,652.31 = 7,289.58/x
  3. Step 3: Cross multiply
    12,068.85x = 16,652.31 × 7,289.58
  4. Step 4: Simplify right side
    12,068.85x = 121,388,345.93
  5. Step 5: Solve for x
    x = 121,388,345.93/12,068.85
  6. Step 6: Final answer
    x = 10,057.99

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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.