Home / 11,329.48-15,633.53-6,616.49

Finding the Fourth Proportional to 11,329.48, 15,633.53 and 6,616.49

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Solution

The fourth proportional to 11,329.48, 15,633.53 and 6,616.49 is: 9,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.48 : 15,633.53 = 6,616.49 : x
  2. Step 2: Convert to fraction form
    11,329.48/15,633.53 = 6,616.49/x
  3. Step 3: Cross multiply
    11,329.48x = 15,633.53 × 6,616.49
  4. Step 4: Simplify right side
    11,329.48x = 103,439,094.91
  5. Step 5: Solve for x
    x = 103,439,094.91/11,329.48
  6. Step 6: Final answer
    x = 9,130.08

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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.