Home / 11,258.70-15,541.38-10,077.72

Finding the Fourth Proportional to 11,258.70, 15,541.38 and 10,077.72

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Solution

The fourth proportional to 11,258.70, 15,541.38 and 10,077.72 is: 13,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.70 : 15,541.38 = 10,077.72 : x
  2. Step 2: Convert to fraction form
    11,258.70/15,541.38 = 10,077.72/x
  3. Step 3: Cross multiply
    11,258.70x = 15,541.38 × 10,077.72
  4. Step 4: Simplify right side
    11,258.70x = 156,621,676.05
  5. Step 5: Solve for x
    x = 156,621,676.05/11,258.70
  6. Step 6: Final answer
    x = 13,911.17

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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.