Home / 11,303.72-15,593.76-7,528.64

Finding the Fourth Proportional to 11,303.72, 15,593.76 and 7,528.64

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Solution

The fourth proportional to 11,303.72, 15,593.76 and 7,528.64 is: 10,385.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.72 : 15,593.76 = 7,528.64 : x
  2. Step 2: Convert to fraction form
    11,303.72/15,593.76 = 7,528.64/x
  3. Step 3: Cross multiply
    11,303.72x = 15,593.76 × 7,528.64
  4. Step 4: Simplify right side
    11,303.72x = 117,399,805.29
  5. Step 5: Solve for x
    x = 117,399,805.29/11,303.72
  6. Step 6: Final answer
    x = 10,385.94

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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.