Home / 10,247.63-14,105.03-7,258.30

Finding the Fourth Proportional to 10,247.63, 14,105.03 and 7,258.30

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Solution

The fourth proportional to 10,247.63, 14,105.03 and 7,258.30 is: 9,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.63 : 14,105.03 = 7,258.30 : x
  2. Step 2: Convert to fraction form
    10,247.63/14,105.03 = 7,258.30/x
  3. Step 3: Cross multiply
    10,247.63x = 14,105.03 × 7,258.30
  4. Step 4: Simplify right side
    10,247.63x = 102,378,539.25
  5. Step 5: Solve for x
    x = 102,378,539.25/10,247.63
  6. Step 6: Final answer
    x = 9,990.46

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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.