Home / 10,455.03-14,427.23-5,739.62

Finding the Fourth Proportional to 10,455.03, 14,427.23 and 5,739.62

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Solution

The fourth proportional to 10,455.03, 14,427.23 and 5,739.62 is: 7,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.03 : 14,427.23 = 5,739.62 : x
  2. Step 2: Convert to fraction form
    10,455.03/14,427.23 = 5,739.62/x
  3. Step 3: Cross multiply
    10,455.03x = 14,427.23 × 5,739.62
  4. Step 4: Simplify right side
    10,455.03x = 82,806,717.02
  5. Step 5: Solve for x
    x = 82,806,717.02/10,455.03
  6. Step 6: Final answer
    x = 7,920.28

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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.