Home / 12,370.30-17,070.69-6,704.80

Finding the Fourth Proportional to 12,370.30, 17,070.69 and 6,704.80

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Solution

The fourth proportional to 12,370.30, 17,070.69 and 6,704.80 is: 9,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.30 : 17,070.69 = 6,704.80 : x
  2. Step 2: Convert to fraction form
    12,370.30/17,070.69 = 6,704.80/x
  3. Step 3: Cross multiply
    12,370.30x = 17,070.69 × 6,704.80
  4. Step 4: Simplify right side
    12,370.30x = 114,455,562.31
  5. Step 5: Solve for x
    x = 114,455,562.31/12,370.30
  6. Step 6: Final answer
    x = 9,252.45

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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.