Home / 12,507.66-17,260.44-6,842.35

Finding the Fourth Proportional to 12,507.66, 17,260.44 and 6,842.35

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Solution

The fourth proportional to 12,507.66, 17,260.44 and 6,842.35 is: 9,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.66 : 17,260.44 = 6,842.35 : x
  2. Step 2: Convert to fraction form
    12,507.66/17,260.44 = 6,842.35/x
  3. Step 3: Cross multiply
    12,507.66x = 17,260.44 × 6,842.35
  4. Step 4: Simplify right side
    12,507.66x = 118,101,971.63
  5. Step 5: Solve for x
    x = 118,101,971.63/12,507.66
  6. Step 6: Final answer
    x = 9,442.37

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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.