Home / 12,566.51-17,316.74-8,971.32

Finding the Fourth Proportional to 12,566.51, 17,316.74 and 8,971.32

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Solution

The fourth proportional to 12,566.51, 17,316.74 and 8,971.32 is: 12,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.51 : 17,316.74 = 8,971.32 : x
  2. Step 2: Convert to fraction form
    12,566.51/17,316.74 = 8,971.32/x
  3. Step 3: Cross multiply
    12,566.51x = 17,316.74 × 8,971.32
  4. Step 4: Simplify right side
    12,566.51x = 155,354,103.26
  5. Step 5: Solve for x
    x = 155,354,103.26/12,566.51
  6. Step 6: Final answer
    x = 12,362.55

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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.