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Finding the Fourth Proportional to 11,562.51, 15,956.97 and 6,528.03

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Solution

The fourth proportional to 11,562.51, 15,956.97 and 6,528.03 is: 9,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.51 : 15,956.97 = 6,528.03 : x
  2. Step 2: Convert to fraction form
    11,562.51/15,956.97 = 6,528.03/x
  3. Step 3: Cross multiply
    11,562.51x = 15,956.97 × 6,528.03
  4. Step 4: Simplify right side
    11,562.51x = 104,167,494.55
  5. Step 5: Solve for x
    x = 104,167,494.55/11,562.51
  6. Step 6: Final answer
    x = 9,009.07

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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.