Home / 9,438.55-13,024.07-5,188.91

Finding the Fourth Proportional to 9,438.55, 13,024.07 and 5,188.91

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Solution

The fourth proportional to 9,438.55, 13,024.07 and 5,188.91 is: 7,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.55 : 13,024.07 = 5,188.91 : x
  2. Step 2: Convert to fraction form
    9,438.55/13,024.07 = 5,188.91/x
  3. Step 3: Cross multiply
    9,438.55x = 13,024.07 × 5,188.91
  4. Step 4: Simplify right side
    9,438.55x = 67,580,727.06
  5. Step 5: Solve for x
    x = 67,580,727.06/9,438.55
  6. Step 6: Final answer
    x = 7,160.08

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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.