Home / 11,307.60-15,603.71-6,271.35

Finding the Fourth Proportional to 11,307.60, 15,603.71 and 6,271.35

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Solution

The fourth proportional to 11,307.60, 15,603.71 and 6,271.35 is: 8,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.60 : 15,603.71 = 6,271.35 : x
  2. Step 2: Convert to fraction form
    11,307.60/15,603.71 = 6,271.35/x
  3. Step 3: Cross multiply
    11,307.60x = 15,603.71 × 6,271.35
  4. Step 4: Simplify right side
    11,307.60x = 97,856,248.69
  5. Step 5: Solve for x
    x = 97,856,248.69/11,307.60
  6. Step 6: Final answer
    x = 8,654.02

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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.