Home / 7,645.76-10,549.54-4,997.06

Finding the Fourth Proportional to 7,645.76, 10,549.54 and 4,997.06

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Solution

The fourth proportional to 7,645.76, 10,549.54 and 4,997.06 is: 6,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.76 : 10,549.54 = 4,997.06 : x
  2. Step 2: Convert to fraction form
    7,645.76/10,549.54 = 4,997.06/x
  3. Step 3: Cross multiply
    7,645.76x = 10,549.54 × 4,997.06
  4. Step 4: Simplify right side
    7,645.76x = 52,716,684.35
  5. Step 5: Solve for x
    x = 52,716,684.35/7,645.76
  6. Step 6: Final answer
    x = 6,894.89

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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.