Home / 10,456.68-14,430.24-5,740.98

Finding the Fourth Proportional to 10,456.68, 14,430.24 and 5,740.98

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Solution

The fourth proportional to 10,456.68, 14,430.24 and 5,740.98 is: 7,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.68 : 14,430.24 = 5,740.98 : x
  2. Step 2: Convert to fraction form
    10,456.68/14,430.24 = 5,740.98/x
  3. Step 3: Cross multiply
    10,456.68x = 14,430.24 × 5,740.98
  4. Step 4: Simplify right side
    10,456.68x = 82,843,719.24
  5. Step 5: Solve for x
    x = 82,843,719.24/10,456.68
  6. Step 6: Final answer
    x = 7,922.56

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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.