Home / 7,961.19-10,983.51-4,774.56

Finding the Fourth Proportional to 7,961.19, 10,983.51 and 4,774.56

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Solution

The fourth proportional to 7,961.19, 10,983.51 and 4,774.56 is: 6,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.19 : 10,983.51 = 4,774.56 : x
  2. Step 2: Convert to fraction form
    7,961.19/10,983.51 = 4,774.56/x
  3. Step 3: Cross multiply
    7,961.19x = 10,983.51 × 4,774.56
  4. Step 4: Simplify right side
    7,961.19x = 52,441,427.51
  5. Step 5: Solve for x
    x = 52,441,427.51/7,961.19
  6. Step 6: Final answer
    x = 6,587.13

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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.