Home / 10,342.08-15,513.36-3,417.12

Finding the Fourth Proportional to 10,342.08, 15,513.36 and 3,417.12

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Solution

The fourth proportional to 10,342.08, 15,513.36 and 3,417.12 is: 5,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.08 : 15,513.36 = 3,417.12 : x
  2. Step 2: Convert to fraction form
    10,342.08/15,513.36 = 3,417.12/x
  3. Step 3: Cross multiply
    10,342.08x = 15,513.36 × 3,417.12
  4. Step 4: Simplify right side
    10,342.08x = 53,011,012.72
  5. Step 5: Solve for x
    x = 53,011,012.72/10,342.08
  6. Step 6: Final answer
    x = 5,125.76

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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.