Home / 9,805.48-13,531.23-5,329.13

Finding the Fourth Proportional to 9,805.48, 13,531.23 and 5,329.13

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Solution

The fourth proportional to 9,805.48, 13,531.23 and 5,329.13 is: 7,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,805.48 : 13,531.23 = 5,329.13 : x
  2. Step 2: Convert to fraction form
    9,805.48/13,531.23 = 5,329.13/x
  3. Step 3: Cross multiply
    9,805.48x = 13,531.23 × 5,329.13
  4. Step 4: Simplify right side
    9,805.48x = 72,109,616.07
  5. Step 5: Solve for x
    x = 72,109,616.07/9,805.48
  6. Step 6: Final answer
    x = 7,354.01

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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.