Home / 11,985.04-17,975.64-5,058.64

Finding the Fourth Proportional to 11,985.04, 17,975.64 and 5,058.64

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Solution

The fourth proportional to 11,985.04, 17,975.64 and 5,058.64 is: 7,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.04 : 17,975.64 = 5,058.64 : x
  2. Step 2: Convert to fraction form
    11,985.04/17,975.64 = 5,058.64/x
  3. Step 3: Cross multiply
    11,985.04x = 17,975.64 × 5,058.64
  4. Step 4: Simplify right side
    11,985.04x = 90,932,291.53
  5. Step 5: Solve for x
    x = 90,932,291.53/11,985.04
  6. Step 6: Final answer
    x = 7,587.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.