Home / 10,301.20-14,219.88-6,109.84

Finding the Fourth Proportional to 10,301.20, 14,219.88 and 6,109.84

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Solution

The fourth proportional to 10,301.20, 14,219.88 and 6,109.84 is: 8,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.20 : 14,219.88 = 6,109.84 : x
  2. Step 2: Convert to fraction form
    10,301.20/14,219.88 = 6,109.84/x
  3. Step 3: Cross multiply
    10,301.20x = 14,219.88 × 6,109.84
  4. Step 4: Simplify right side
    10,301.20x = 86,881,191.62
  5. Step 5: Solve for x
    x = 86,881,191.62/10,301.20
  6. Step 6: Final answer
    x = 8,434.08

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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.