Home / 10,570.22-15,854.40-6,409.00

Finding the Fourth Proportional to 10,570.22, 15,854.40 and 6,409.00

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Solution

The fourth proportional to 10,570.22, 15,854.40 and 6,409.00 is: 9,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.22 : 15,854.40 = 6,409.00 : x
  2. Step 2: Convert to fraction form
    10,570.22/15,854.40 = 6,409.00/x
  3. Step 3: Cross multiply
    10,570.22x = 15,854.40 × 6,409.00
  4. Step 4: Simplify right side
    10,570.22x = 101,610,770.33
  5. Step 5: Solve for x
    x = 101,610,770.33/10,570.22
  6. Step 6: Final answer
    x = 9,612.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.