Home / 11,258.50-15,526.62-9,376.30

Finding the Fourth Proportional to 11,258.50, 15,526.62 and 9,376.30

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Solution

The fourth proportional to 11,258.50, 15,526.62 and 9,376.30 is: 12,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.50 : 15,526.62 = 9,376.30 : x
  2. Step 2: Convert to fraction form
    11,258.50/15,526.62 = 9,376.30/x
  3. Step 3: Cross multiply
    11,258.50x = 15,526.62 × 9,376.30
  4. Step 4: Simplify right side
    11,258.50x = 145,582,247.11
  5. Step 5: Solve for x
    x = 145,582,247.11/11,258.50
  6. Step 6: Final answer
    x = 12,930.87

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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.