Home / 11,307.07-15,603.76-6,271.35

Finding the Fourth Proportional to 11,307.07, 15,603.76 and 6,271.35

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Solution

The fourth proportional to 11,307.07, 15,603.76 and 6,271.35 is: 8,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.07 : 15,603.76 = 6,271.35 : x
  2. Step 2: Convert to fraction form
    11,307.07/15,603.76 = 6,271.35/x
  3. Step 3: Cross multiply
    11,307.07x = 15,603.76 × 6,271.35
  4. Step 4: Simplify right side
    11,307.07x = 97,856,589.60
  5. Step 5: Solve for x
    x = 97,856,589.60/11,307.07
  6. Step 6: Final answer
    x = 8,654.46

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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.