Home / 8,001.58-11,040.41-4,642.45

Finding the Fourth Proportional to 8,001.58, 11,040.41 and 4,642.45

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Solution

The fourth proportional to 8,001.58, 11,040.41 and 4,642.45 is: 6,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.58 : 11,040.41 = 4,642.45 : x
  2. Step 2: Convert to fraction form
    8,001.58/11,040.41 = 4,642.45/x
  3. Step 3: Cross multiply
    8,001.58x = 11,040.41 × 4,642.45
  4. Step 4: Simplify right side
    8,001.58x = 51,254,535.41
  5. Step 5: Solve for x
    x = 51,254,535.41/8,001.58
  6. Step 6: Final answer
    x = 6,405.55

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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.