Home / 11,582.67-15,985.80-7,334.13

Finding the Fourth Proportional to 11,582.67, 15,985.80 and 7,334.13

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Solution

The fourth proportional to 11,582.67, 15,985.80 and 7,334.13 is: 10,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.67 : 15,985.80 = 7,334.13 : x
  2. Step 2: Convert to fraction form
    11,582.67/15,985.80 = 7,334.13/x
  3. Step 3: Cross multiply
    11,582.67x = 15,985.80 × 7,334.13
  4. Step 4: Simplify right side
    11,582.67x = 117,241,935.35
  5. Step 5: Solve for x
    x = 117,241,935.35/11,582.67
  6. Step 6: Final answer
    x = 10,122.19

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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.