Home / 9,161.34-12,642.56-4,969.58

Finding the Fourth Proportional to 9,161.34, 12,642.56 and 4,969.58

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Solution

The fourth proportional to 9,161.34, 12,642.56 and 4,969.58 is: 6,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.34 : 12,642.56 = 4,969.58 : x
  2. Step 2: Convert to fraction form
    9,161.34/12,642.56 = 4,969.58/x
  3. Step 3: Cross multiply
    9,161.34x = 12,642.56 × 4,969.58
  4. Step 4: Simplify right side
    9,161.34x = 62,828,213.32
  5. Step 5: Solve for x
    x = 62,828,213.32/9,161.34
  6. Step 6: Final answer
    x = 6,857.97

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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.