Home / 9,116.96-12,581.41-4,925.21

Finding the Fourth Proportional to 9,116.96, 12,581.41 and 4,925.21

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Solution

The fourth proportional to 9,116.96, 12,581.41 and 4,925.21 is: 6,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.96 : 12,581.41 = 4,925.21 : x
  2. Step 2: Convert to fraction form
    9,116.96/12,581.41 = 4,925.21/x
  3. Step 3: Cross multiply
    9,116.96x = 12,581.41 × 4,925.21
  4. Step 4: Simplify right side
    9,116.96x = 61,966,011.13
  5. Step 5: Solve for x
    x = 61,966,011.13/9,116.96
  6. Step 6: Final answer
    x = 6,796.79

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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.