Home / 8,499.28-11,713.08-6,137.32

Finding the Fourth Proportional to 8,499.28, 11,713.08 and 6,137.32

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Solution

The fourth proportional to 8,499.28, 11,713.08 and 6,137.32 is: 8,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.28 : 11,713.08 = 6,137.32 : x
  2. Step 2: Convert to fraction form
    8,499.28/11,713.08 = 6,137.32/x
  3. Step 3: Cross multiply
    8,499.28x = 11,713.08 × 6,137.32
  4. Step 4: Simplify right side
    8,499.28x = 71,886,920.15
  5. Step 5: Solve for x
    x = 71,886,920.15/8,499.28
  6. Step 6: Final answer
    x = 8,458.00

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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.