Home / 8,509.48-11,743.62-4,783.72

Finding the Fourth Proportional to 8,509.48, 11,743.62 and 4,783.72

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Solution

The fourth proportional to 8,509.48, 11,743.62 and 4,783.72 is: 6,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.48 : 11,743.62 = 4,783.72 : x
  2. Step 2: Convert to fraction form
    8,509.48/11,743.62 = 4,783.72/x
  3. Step 3: Cross multiply
    8,509.48x = 11,743.62 × 4,783.72
  4. Step 4: Simplify right side
    8,509.48x = 56,178,189.87
  5. Step 5: Solve for x
    x = 56,178,189.87/8,509.48
  6. Step 6: Final answer
    x = 6,601.84

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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.