Home / 9,437.79-13,023.88-5,188.85

Finding the Fourth Proportional to 9,437.79, 13,023.88 and 5,188.85

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Solution

The fourth proportional to 9,437.79, 13,023.88 and 5,188.85 is: 7,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.79 : 13,023.88 = 5,188.85 : x
  2. Step 2: Convert to fraction form
    9,437.79/13,023.88 = 5,188.85/x
  3. Step 3: Cross multiply
    9,437.79x = 13,023.88 × 5,188.85
  4. Step 4: Simplify right side
    9,437.79x = 67,578,904.87
  5. Step 5: Solve for x
    x = 67,578,904.87/9,437.79
  6. Step 6: Final answer
    x = 7,160.46

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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.