Home / 11,775.21-16,250.16-6,470.13

Finding the Fourth Proportional to 11,775.21, 16,250.16 and 6,470.13

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Solution

The fourth proportional to 11,775.21, 16,250.16 and 6,470.13 is: 8,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.21 : 16,250.16 = 6,470.13 : x
  2. Step 2: Convert to fraction form
    11,775.21/16,250.16 = 6,470.13/x
  3. Step 3: Cross multiply
    11,775.21x = 16,250.16 × 6,470.13
  4. Step 4: Simplify right side
    11,775.21x = 105,140,647.72
  5. Step 5: Solve for x
    x = 105,140,647.72/11,775.21
  6. Step 6: Final answer
    x = 8,928.98

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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.