Home / 12,804.22-17,670.18-7,499.26

Finding the Fourth Proportional to 12,804.22, 17,670.18 and 7,499.26

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Solution

The fourth proportional to 12,804.22, 17,670.18 and 7,499.26 is: 10,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.22 : 17,670.18 = 7,499.26 : x
  2. Step 2: Convert to fraction form
    12,804.22/17,670.18 = 7,499.26/x
  3. Step 3: Cross multiply
    12,804.22x = 17,670.18 × 7,499.26
  4. Step 4: Simplify right side
    12,804.22x = 132,513,274.07
  5. Step 5: Solve for x
    x = 132,513,274.07/12,804.22
  6. Step 6: Final answer
    x = 10,349.19

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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.