Home / 8,740.48-13,110.72-7,536.44

Finding the Fourth Proportional to 8,740.48, 13,110.72 and 7,536.44

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Solution

The fourth proportional to 8,740.48, 13,110.72 and 7,536.44 is: 11,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.48 : 13,110.72 = 7,536.44 : x
  2. Step 2: Convert to fraction form
    8,740.48/13,110.72 = 7,536.44/x
  3. Step 3: Cross multiply
    8,740.48x = 13,110.72 × 7,536.44
  4. Step 4: Simplify right side
    8,740.48x = 98,808,129.18
  5. Step 5: Solve for x
    x = 98,808,129.18/8,740.48
  6. Step 6: Final answer
    x = 11,304.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.