Home / 12,530.44-17,291.96-7,225.24

Finding the Fourth Proportional to 12,530.44, 17,291.96 and 7,225.24

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Solution

The fourth proportional to 12,530.44, 17,291.96 and 7,225.24 is: 9,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.44 : 17,291.96 = 7,225.24 : x
  2. Step 2: Convert to fraction form
    12,530.44/17,291.96 = 7,225.24/x
  3. Step 3: Cross multiply
    12,530.44x = 17,291.96 × 7,225.24
  4. Step 4: Simplify right side
    12,530.44x = 124,938,561.07
  5. Step 5: Solve for x
    x = 124,938,561.07/12,530.44
  6. Step 6: Final answer
    x = 9,970.80

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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.