Home / 8,783.99-12,121.60-5,246.52

Finding the Fourth Proportional to 8,783.99, 12,121.60 and 5,246.52

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Solution

The fourth proportional to 8,783.99, 12,121.60 and 5,246.52 is: 7,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.99 : 12,121.60 = 5,246.52 : x
  2. Step 2: Convert to fraction form
    8,783.99/12,121.60 = 5,246.52/x
  3. Step 3: Cross multiply
    8,783.99x = 12,121.60 × 5,246.52
  4. Step 4: Simplify right side
    8,783.99x = 63,596,236.28
  5. Step 5: Solve for x
    x = 63,596,236.28/8,783.99
  6. Step 6: Final answer
    x = 7,240.01

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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.