Home / 11,245.40-15,516.06-6,526.88

Finding the Fourth Proportional to 11,245.40, 15,516.06 and 6,526.88

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Solution

The fourth proportional to 11,245.40, 15,516.06 and 6,526.88 is: 9,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.40 : 15,516.06 = 6,526.88 : x
  2. Step 2: Convert to fraction form
    11,245.40/15,516.06 = 6,526.88/x
  3. Step 3: Cross multiply
    11,245.40x = 15,516.06 × 6,526.88
  4. Step 4: Simplify right side
    11,245.40x = 101,271,461.69
  5. Step 5: Solve for x
    x = 101,271,461.69/11,245.40
  6. Step 6: Final answer
    x = 9,005.59

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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.