Home / 13,035.34-17,984.05-8,561.52

Finding the Fourth Proportional to 13,035.34, 17,984.05 and 8,561.52

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Solution

The fourth proportional to 13,035.34, 17,984.05 and 8,561.52 is: 11,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.34 : 17,984.05 = 8,561.52 : x
  2. Step 2: Convert to fraction form
    13,035.34/17,984.05 = 8,561.52/x
  3. Step 3: Cross multiply
    13,035.34x = 17,984.05 × 8,561.52
  4. Step 4: Simplify right side
    13,035.34x = 153,970,803.76
  5. Step 5: Solve for x
    x = 153,970,803.76/13,035.34
  6. Step 6: Final answer
    x = 11,811.80

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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.