Home / 9,511.02-13,125.24-5,531.09

Finding the Fourth Proportional to 9,511.02, 13,125.24 and 5,531.09

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Solution

The fourth proportional to 9,511.02, 13,125.24 and 5,531.09 is: 7,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.02 : 13,125.24 = 5,531.09 : x
  2. Step 2: Convert to fraction form
    9,511.02/13,125.24 = 5,531.09/x
  3. Step 3: Cross multiply
    9,511.02x = 13,125.24 × 5,531.09
  4. Step 4: Simplify right side
    9,511.02x = 72,596,818.09
  5. Step 5: Solve for x
    x = 72,596,818.09/9,511.02
  6. Step 6: Final answer
    x = 7,632.92

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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.