Home / 11,770.19-16,242.88-6,465.35

Finding the Fourth Proportional to 11,770.19, 16,242.88 and 6,465.35

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Solution

The fourth proportional to 11,770.19, 16,242.88 and 6,465.35 is: 8,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.19 : 16,242.88 = 6,465.35 : x
  2. Step 2: Convert to fraction form
    11,770.19/16,242.88 = 6,465.35/x
  3. Step 3: Cross multiply
    11,770.19x = 16,242.88 × 6,465.35
  4. Step 4: Simplify right side
    11,770.19x = 105,015,904.21
  5. Step 5: Solve for x
    x = 105,015,904.21/11,770.19
  6. Step 6: Final answer
    x = 8,922.19

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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.