Home / 8,530.48-11,768.04-4,991.52

Finding the Fourth Proportional to 8,530.48, 11,768.04 and 4,991.52

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Solution

The fourth proportional to 8,530.48, 11,768.04 and 4,991.52 is: 6,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.48 : 11,768.04 = 4,991.52 : x
  2. Step 2: Convert to fraction form
    8,530.48/11,768.04 = 4,991.52/x
  3. Step 3: Cross multiply
    8,530.48x = 11,768.04 × 4,991.52
  4. Step 4: Simplify right side
    8,530.48x = 58,740,407.02
  5. Step 5: Solve for x
    x = 58,740,407.02/8,530.48
  6. Step 6: Final answer
    x = 6,885.94

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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.