Home / 12,530.70-17,292.36-7,225.44

Finding the Fourth Proportional to 12,530.70, 17,292.36 and 7,225.44

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Solution

The fourth proportional to 12,530.70, 17,292.36 and 7,225.44 is: 9,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.70 : 17,292.36 = 7,225.44 : x
  2. Step 2: Convert to fraction form
    12,530.70/17,292.36 = 7,225.44/x
  3. Step 3: Cross multiply
    12,530.70x = 17,292.36 × 7,225.44
  4. Step 4: Simplify right side
    12,530.70x = 124,944,909.64
  5. Step 5: Solve for x
    x = 124,944,909.64/12,530.70
  6. Step 6: Final answer
    x = 9,971.10

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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.