Home / 10,456.26-14,430.01-5,740.90

Finding the Fourth Proportional to 10,456.26, 14,430.01 and 5,740.90

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Solution

The fourth proportional to 10,456.26, 14,430.01 and 5,740.90 is: 7,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.26 : 14,430.01 = 5,740.90 : x
  2. Step 2: Convert to fraction form
    10,456.26/14,430.01 = 5,740.90/x
  3. Step 3: Cross multiply
    10,456.26x = 14,430.01 × 5,740.90
  4. Step 4: Simplify right side
    10,456.26x = 82,841,244.41
  5. Step 5: Solve for x
    x = 82,841,244.41/10,456.26
  6. Step 6: Final answer
    x = 7,922.65

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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.