Home / 10,071.12-13,903.20-6,296.39

Finding the Fourth Proportional to 10,071.12, 13,903.20 and 6,296.39

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Solution

The fourth proportional to 10,071.12, 13,903.20 and 6,296.39 is: 8,692.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.12 : 13,903.20 = 6,296.39 : x
  2. Step 2: Convert to fraction form
    10,071.12/13,903.20 = 6,296.39/x
  3. Step 3: Cross multiply
    10,071.12x = 13,903.20 × 6,296.39
  4. Step 4: Simplify right side
    10,071.12x = 87,539,969.45
  5. Step 5: Solve for x
    x = 87,539,969.45/10,071.12
  6. Step 6: Final answer
    x = 8,692.18

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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.