Home / 10,937.54-15,091.16-6,957.20

Finding the Fourth Proportional to 10,937.54, 15,091.16 and 6,957.20

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Solution

The fourth proportional to 10,937.54, 15,091.16 and 6,957.20 is: 9,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.54 : 15,091.16 = 6,957.20 : x
  2. Step 2: Convert to fraction form
    10,937.54/15,091.16 = 6,957.20/x
  3. Step 3: Cross multiply
    10,937.54x = 15,091.16 × 6,957.20
  4. Step 4: Simplify right side
    10,937.54x = 104,992,218.35
  5. Step 5: Solve for x
    x = 104,992,218.35/10,937.54
  6. Step 6: Final answer
    x = 9,599.25

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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.