Home / 10,513.29-15,774.45-3,494.24

Finding the Fourth Proportional to 10,513.29, 15,774.45 and 3,494.24

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Solution

The fourth proportional to 10,513.29, 15,774.45 and 3,494.24 is: 5,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.29 : 15,774.45 = 3,494.24 : x
  2. Step 2: Convert to fraction form
    10,513.29/15,774.45 = 3,494.24/x
  3. Step 3: Cross multiply
    10,513.29x = 15,774.45 × 3,494.24
  4. Step 4: Simplify right side
    10,513.29x = 55,119,681.35
  5. Step 5: Solve for x
    x = 55,119,681.35/10,513.29
  6. Step 6: Final answer
    x = 5,242.86

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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.