Home / 8,303.28-11,458.60-4,947.80

Finding the Fourth Proportional to 8,303.28, 11,458.60 and 4,947.80

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Solution

The fourth proportional to 8,303.28, 11,458.60 and 4,947.80 is: 6,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.28 : 11,458.60 = 4,947.80 : x
  2. Step 2: Convert to fraction form
    8,303.28/11,458.60 = 4,947.80/x
  3. Step 3: Cross multiply
    8,303.28x = 11,458.60 × 4,947.80
  4. Step 4: Simplify right side
    8,303.28x = 56,694,861.08
  5. Step 5: Solve for x
    x = 56,694,861.08/8,303.28
  6. Step 6: Final answer
    x = 6,828.01

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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.