Home / 12,518.24-17,276.16-6,930.08

Finding the Fourth Proportional to 12,518.24, 17,276.16 and 6,930.08

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Solution

The fourth proportional to 12,518.24, 17,276.16 and 6,930.08 is: 9,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.24 : 17,276.16 = 6,930.08 : x
  2. Step 2: Convert to fraction form
    12,518.24/17,276.16 = 6,930.08/x
  3. Step 3: Cross multiply
    12,518.24x = 17,276.16 × 6,930.08
  4. Step 4: Simplify right side
    12,518.24x = 119,725,170.89
  5. Step 5: Solve for x
    x = 119,725,170.89/12,518.24
  6. Step 6: Final answer
    x = 9,564.06

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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.