Home / 10,789.47-14,890.82-6,541.22

Finding the Fourth Proportional to 10,789.47, 14,890.82 and 6,541.22

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Solution

The fourth proportional to 10,789.47, 14,890.82 and 6,541.22 is: 9,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.47 : 14,890.82 = 6,541.22 : x
  2. Step 2: Convert to fraction form
    10,789.47/14,890.82 = 6,541.22/x
  3. Step 3: Cross multiply
    10,789.47x = 14,890.82 × 6,541.22
  4. Step 4: Simplify right side
    10,789.47x = 97,404,129.60
  5. Step 5: Solve for x
    x = 97,404,129.60/10,789.47
  6. Step 6: Final answer
    x = 9,027.70

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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.