Home / 10,263.90-15,389.65-4,016.45

Finding the Fourth Proportional to 10,263.90, 15,389.65 and 4,016.45

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Solution

The fourth proportional to 10,263.90, 15,389.65 and 4,016.45 is: 6,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.90 : 15,389.65 = 4,016.45 : x
  2. Step 2: Convert to fraction form
    10,263.90/15,389.65 = 4,016.45/x
  3. Step 3: Cross multiply
    10,263.90x = 15,389.65 × 4,016.45
  4. Step 4: Simplify right side
    10,263.90x = 61,811,759.74
  5. Step 5: Solve for x
    x = 61,811,759.74/10,263.90
  6. Step 6: Final answer
    x = 6,022.25

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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.