Home / 10,605.48-14,636.01-5,889.75

Finding the Fourth Proportional to 10,605.48, 14,636.01 and 5,889.75

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Solution

The fourth proportional to 10,605.48, 14,636.01 and 5,889.75 is: 8,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605.48 : 14,636.01 = 5,889.75 : x
  2. Step 2: Convert to fraction form
    10,605.48/14,636.01 = 5,889.75/x
  3. Step 3: Cross multiply
    10,605.48x = 14,636.01 × 5,889.75
  4. Step 4: Simplify right side
    10,605.48x = 86,202,439.90
  5. Step 5: Solve for x
    x = 86,202,439.90/10,605.48
  6. Step 6: Final answer
    x = 8,128.10

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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.