Home / 11,708.50-16,157.65-6,403.35

Finding the Fourth Proportional to 11,708.50, 16,157.65 and 6,403.35

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Solution

The fourth proportional to 11,708.50, 16,157.65 and 6,403.35 is: 8,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.50 : 16,157.65 = 6,403.35 : x
  2. Step 2: Convert to fraction form
    11,708.50/16,157.65 = 6,403.35/x
  3. Step 3: Cross multiply
    11,708.50x = 16,157.65 × 6,403.35
  4. Step 4: Simplify right side
    11,708.50x = 103,463,088.13
  5. Step 5: Solve for x
    x = 103,463,088.13/11,708.50
  6. Step 6: Final answer
    x = 8,836.58

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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.