Home / 10,059.35-13,881.20-5,521.32

Finding the Fourth Proportional to 10,059.35, 13,881.20 and 5,521.32

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Solution

The fourth proportional to 10,059.35, 13,881.20 and 5,521.32 is: 7,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.35 : 13,881.20 = 5,521.32 : x
  2. Step 2: Convert to fraction form
    10,059.35/13,881.20 = 5,521.32/x
  3. Step 3: Cross multiply
    10,059.35x = 13,881.20 × 5,521.32
  4. Step 4: Simplify right side
    10,059.35x = 76,642,519.58
  5. Step 5: Solve for x
    x = 76,642,519.58/10,059.35
  6. Step 6: Final answer
    x = 7,619.04

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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.