Home / 10,540.26-14,547.09-6,291.50

Finding the Fourth Proportional to 10,540.26, 14,547.09 and 6,291.50

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Solution

The fourth proportional to 10,540.26, 14,547.09 and 6,291.50 is: 8,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.26 : 14,547.09 = 6,291.50 : x
  2. Step 2: Convert to fraction form
    10,540.26/14,547.09 = 6,291.50/x
  3. Step 3: Cross multiply
    10,540.26x = 14,547.09 × 6,291.50
  4. Step 4: Simplify right side
    10,540.26x = 91,522,985.28
  5. Step 5: Solve for x
    x = 91,522,985.28/10,540.26
  6. Step 6: Final answer
    x = 8,683.18

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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.