Home / 12,537.12-17,303.04-7,230.88

Finding the Fourth Proportional to 12,537.12, 17,303.04 and 7,230.88

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Solution

The fourth proportional to 12,537.12, 17,303.04 and 7,230.88 is: 9,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.12 : 17,303.04 = 7,230.88 : x
  2. Step 2: Convert to fraction form
    12,537.12/17,303.04 = 7,230.88/x
  3. Step 3: Cross multiply
    12,537.12x = 17,303.04 × 7,230.88
  4. Step 4: Simplify right side
    12,537.12x = 125,116,205.88
  5. Step 5: Solve for x
    x = 125,116,205.88/12,537.12
  6. Step 6: Final answer
    x = 9,979.66

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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.