Home / 9,416.09-12,988.80-5,873.15

Finding the Fourth Proportional to 9,416.09, 12,988.80 and 5,873.15

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Solution

The fourth proportional to 9,416.09, 12,988.80 and 5,873.15 is: 8,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.09 : 12,988.80 = 5,873.15 : x
  2. Step 2: Convert to fraction form
    9,416.09/12,988.80 = 5,873.15/x
  3. Step 3: Cross multiply
    9,416.09x = 12,988.80 × 5,873.15
  4. Step 4: Simplify right side
    9,416.09x = 76,285,105.78
  5. Step 5: Solve for x
    x = 76,285,105.78/9,416.09
  6. Step 6: Final answer
    x = 8,101.57

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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.