Home / 10,095.68-13,931.91-5,619.44

Finding the Fourth Proportional to 10,095.68, 13,931.91 and 5,619.44

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Solution

The fourth proportional to 10,095.68, 13,931.91 and 5,619.44 is: 7,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.68 : 13,931.91 = 5,619.44 : x
  2. Step 2: Convert to fraction form
    10,095.68/13,931.91 = 5,619.44/x
  3. Step 3: Cross multiply
    10,095.68x = 13,931.91 × 5,619.44
  4. Step 4: Simplify right side
    10,095.68x = 78,289,567.16
  5. Step 5: Solve for x
    x = 78,289,567.16/10,095.68
  6. Step 6: Final answer
    x = 7,754.76

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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.