Home / 12,968.51-17,896.23-7,225.92

Finding the Fourth Proportional to 12,968.51, 17,896.23 and 7,225.92

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Solution

The fourth proportional to 12,968.51, 17,896.23 and 7,225.92 is: 9,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.51 : 17,896.23 = 7,225.92 : x
  2. Step 2: Convert to fraction form
    12,968.51/17,896.23 = 7,225.92/x
  3. Step 3: Cross multiply
    12,968.51x = 17,896.23 × 7,225.92
  4. Step 4: Simplify right side
    12,968.51x = 129,316,726.28
  5. Step 5: Solve for x
    x = 129,316,726.28/12,968.51
  6. Step 6: Final answer
    x = 9,971.60

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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.