Home / 12,530.04-17,291.16-7,224.54

Finding the Fourth Proportional to 12,530.04, 17,291.16 and 7,224.54

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Solution

The fourth proportional to 12,530.04, 17,291.16 and 7,224.54 is: 9,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.04 : 17,291.16 = 7,224.54 : x
  2. Step 2: Convert to fraction form
    12,530.04/17,291.16 = 7,224.54/x
  3. Step 3: Cross multiply
    12,530.04x = 17,291.16 × 7,224.54
  4. Step 4: Simplify right side
    12,530.04x = 124,920,677.07
  5. Step 5: Solve for x
    x = 124,920,677.07/12,530.04
  6. Step 6: Final answer
    x = 9,969.69

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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.