Home / 8,458.02-11,670.93-4,918.50

Finding the Fourth Proportional to 8,458.02, 11,670.93 and 4,918.50

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Solution

The fourth proportional to 8,458.02, 11,670.93 and 4,918.50 is: 6,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.02 : 11,670.93 = 4,918.50 : x
  2. Step 2: Convert to fraction form
    8,458.02/11,670.93 = 4,918.50/x
  3. Step 3: Cross multiply
    8,458.02x = 11,670.93 × 4,918.50
  4. Step 4: Simplify right side
    8,458.02x = 57,403,469.21
  5. Step 5: Solve for x
    x = 57,403,469.21/8,458.02
  6. Step 6: Final answer
    x = 6,786.87

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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.