Home / 11,833.74-16,330.47-6,528.78

Finding the Fourth Proportional to 11,833.74, 16,330.47 and 6,528.78

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Solution

The fourth proportional to 11,833.74, 16,330.47 and 6,528.78 is: 9,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.74 : 16,330.47 = 6,528.78 : x
  2. Step 2: Convert to fraction form
    11,833.74/16,330.47 = 6,528.78/x
  3. Step 3: Cross multiply
    11,833.74x = 16,330.47 × 6,528.78
  4. Step 4: Simplify right side
    11,833.74x = 106,618,045.93
  5. Step 5: Solve for x
    x = 106,618,045.93/11,833.74
  6. Step 6: Final answer
    x = 9,009.67

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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.