Home / 8,040.78-11,094.35-4,681.53

Finding the Fourth Proportional to 8,040.78, 11,094.35 and 4,681.53

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Solution

The fourth proportional to 8,040.78, 11,094.35 and 4,681.53 is: 6,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.78 : 11,094.35 = 4,681.53 : x
  2. Step 2: Convert to fraction form
    8,040.78/11,094.35 = 4,681.53/x
  3. Step 3: Cross multiply
    8,040.78x = 11,094.35 × 4,681.53
  4. Step 4: Simplify right side
    8,040.78x = 51,938,508.95
  5. Step 5: Solve for x
    x = 51,938,508.95/8,040.78
  6. Step 6: Final answer
    x = 6,459.39

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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.