Home / 11,975.32-16,526.82-7,795.72

Finding the Fourth Proportional to 11,975.32, 16,526.82 and 7,795.72

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Solution

The fourth proportional to 11,975.32, 16,526.82 and 7,795.72 is: 10,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.32 : 16,526.82 = 7,795.72 : x
  2. Step 2: Convert to fraction form
    11,975.32/16,526.82 = 7,795.72/x
  3. Step 3: Cross multiply
    11,975.32x = 16,526.82 × 7,795.72
  4. Step 4: Simplify right side
    11,975.32x = 128,838,461.21
  5. Step 5: Solve for x
    x = 128,838,461.21/11,975.32
  6. Step 6: Final answer
    x = 10,758.67

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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.