Home / 9,685.55-13,366.50-7,586.03

Finding the Fourth Proportional to 9,685.55, 13,366.50 and 7,586.03

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Solution

The fourth proportional to 9,685.55, 13,366.50 and 7,586.03 is: 10,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.55 : 13,366.50 = 7,586.03 : x
  2. Step 2: Convert to fraction form
    9,685.55/13,366.50 = 7,586.03/x
  3. Step 3: Cross multiply
    9,685.55x = 13,366.50 × 7,586.03
  4. Step 4: Simplify right side
    9,685.55x = 101,398,670.00
  5. Step 5: Solve for x
    x = 101,398,670.00/9,685.55
  6. Step 6: Final answer
    x = 10,469.07

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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.