Home / 11,530.84-15,912.40-6,495.08

Finding the Fourth Proportional to 11,530.84, 15,912.40 and 6,495.08

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Solution

The fourth proportional to 11,530.84, 15,912.40 and 6,495.08 is: 8,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.84 : 15,912.40 = 6,495.08 : x
  2. Step 2: Convert to fraction form
    11,530.84/15,912.40 = 6,495.08/x
  3. Step 3: Cross multiply
    11,530.84x = 15,912.40 × 6,495.08
  4. Step 4: Simplify right side
    11,530.84x = 103,352,310.99
  5. Step 5: Solve for x
    x = 103,352,310.99/11,530.84
  6. Step 6: Final answer
    x = 8,963.12

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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.