Home / 9,258.80-13,890.68-4,875.12

Finding the Fourth Proportional to 9,258.80, 13,890.68 and 4,875.12

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Solution

The fourth proportional to 9,258.80, 13,890.68 and 4,875.12 is: 7,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258.80 : 13,890.68 = 4,875.12 : x
  2. Step 2: Convert to fraction form
    9,258.80/13,890.68 = 4,875.12/x
  3. Step 3: Cross multiply
    9,258.80x = 13,890.68 × 4,875.12
  4. Step 4: Simplify right side
    9,258.80x = 67,718,731.88
  5. Step 5: Solve for x
    x = 67,718,731.88/9,258.80
  6. Step 6: Final answer
    x = 7,313.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.