Home / 11,592.06-15,979.61-9,069.79

Finding the Fourth Proportional to 11,592.06, 15,979.61 and 9,069.79

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Solution

The fourth proportional to 11,592.06, 15,979.61 and 9,069.79 is: 12,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,592.06 : 15,979.61 = 9,069.79 : x
  2. Step 2: Convert to fraction form
    11,592.06/15,979.61 = 9,069.79/x
  3. Step 3: Cross multiply
    11,592.06x = 15,979.61 × 9,069.79
  4. Step 4: Simplify right side
    11,592.06x = 144,931,748.82
  5. Step 5: Solve for x
    x = 144,931,748.82/11,592.06
  6. Step 6: Final answer
    x = 12,502.67

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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.