Home / 13,035.59-17,984.40-8,561.77

Finding the Fourth Proportional to 13,035.59, 17,984.40 and 8,561.77

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Solution

The fourth proportional to 13,035.59, 17,984.40 and 8,561.77 is: 11,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.59 : 17,984.40 = 8,561.77 : x
  2. Step 2: Convert to fraction form
    13,035.59/17,984.40 = 8,561.77/x
  3. Step 3: Cross multiply
    13,035.59x = 17,984.40 × 8,561.77
  4. Step 4: Simplify right side
    13,035.59x = 153,978,206.47
  5. Step 5: Solve for x
    x = 153,978,206.47/13,035.59
  6. Step 6: Final answer
    x = 11,812.14

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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.