Home / 11,890.59-16,409.15-6,585.49

Finding the Fourth Proportional to 11,890.59, 16,409.15 and 6,585.49

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Solution

The fourth proportional to 11,890.59, 16,409.15 and 6,585.49 is: 9,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.59 : 16,409.15 = 6,585.49 : x
  2. Step 2: Convert to fraction form
    11,890.59/16,409.15 = 6,585.49/x
  3. Step 3: Cross multiply
    11,890.59x = 16,409.15 × 6,585.49
  4. Step 4: Simplify right side
    11,890.59x = 108,062,293.23
  5. Step 5: Solve for x
    x = 108,062,293.23/11,890.59
  6. Step 6: Final answer
    x = 9,088.05

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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.