Home / 8,307.95-11,462.09-5,325.42

Finding the Fourth Proportional to 8,307.95, 11,462.09 and 5,325.42

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Solution

The fourth proportional to 8,307.95, 11,462.09 and 5,325.42 is: 7,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.95 : 11,462.09 = 5,325.42 : x
  2. Step 2: Convert to fraction form
    8,307.95/11,462.09 = 5,325.42/x
  3. Step 3: Cross multiply
    8,307.95x = 11,462.09 × 5,325.42
  4. Step 4: Simplify right side
    8,307.95x = 61,040,416.70
  5. Step 5: Solve for x
    x = 61,040,416.70/8,307.95
  6. Step 6: Final answer
    x = 7,347.23

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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.