Home / 10,095.88-13,931.40-5,619.88

Finding the Fourth Proportional to 10,095.88, 13,931.40 and 5,619.88

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Solution

The fourth proportional to 10,095.88, 13,931.40 and 5,619.88 is: 7,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.88 : 13,931.40 = 5,619.88 : x
  2. Step 2: Convert to fraction form
    10,095.88/13,931.40 = 5,619.88/x
  3. Step 3: Cross multiply
    10,095.88x = 13,931.40 × 5,619.88
  4. Step 4: Simplify right side
    10,095.88x = 78,292,796.23
  5. Step 5: Solve for x
    x = 78,292,796.23/10,095.88
  6. Step 6: Final answer
    x = 7,754.93

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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.