Home / 11,500.36-15,877.76-7,528.19

Finding the Fourth Proportional to 11,500.36, 15,877.76 and 7,528.19

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Solution

The fourth proportional to 11,500.36, 15,877.76 and 7,528.19 is: 10,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.36 : 15,877.76 = 7,528.19 : x
  2. Step 2: Convert to fraction form
    11,500.36/15,877.76 = 7,528.19/x
  3. Step 3: Cross multiply
    11,500.36x = 15,877.76 × 7,528.19
  4. Step 4: Simplify right side
    11,500.36x = 119,530,677.02
  5. Step 5: Solve for x
    x = 119,530,677.02/11,500.36
  6. Step 6: Final answer
    x = 10,393.65

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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.