Home / 9,258.92-12,776.98-5,281.31

Finding the Fourth Proportional to 9,258.92, 12,776.98 and 5,281.31

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Solution

The fourth proportional to 9,258.92, 12,776.98 and 5,281.31 is: 7,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.92 : 12,776.98 = 5,281.31 : x
  2. Step 2: Convert to fraction form
    9,258.92/12,776.98 = 5,281.31/x
  3. Step 3: Cross multiply
    9,258.92x = 12,776.98 × 5,281.31
  4. Step 4: Simplify right side
    9,258.92x = 67,479,192.24
  5. Step 5: Solve for x
    x = 67,479,192.24/9,258.92
  6. Step 6: Final answer
    x = 7,288.02

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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.