Home / 10,359.14-15,538.77-3,782.75

Finding the Fourth Proportional to 10,359.14, 15,538.77 and 3,782.75

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Solution

The fourth proportional to 10,359.14, 15,538.77 and 3,782.75 is: 5,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.14 : 15,538.77 = 3,782.75 : x
  2. Step 2: Convert to fraction form
    10,359.14/15,538.77 = 3,782.75/x
  3. Step 3: Cross multiply
    10,359.14x = 15,538.77 × 3,782.75
  4. Step 4: Simplify right side
    10,359.14x = 58,779,204.52
  5. Step 5: Solve for x
    x = 58,779,204.52/10,359.14
  6. Step 6: Final answer
    x = 5,674.14

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1.5x scale

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.