Home / 11,907.79-16,433.72-6,602.50

Finding the Fourth Proportional to 11,907.79, 16,433.72 and 6,602.50

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Solution

The fourth proportional to 11,907.79, 16,433.72 and 6,602.50 is: 9,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.79 : 16,433.72 = 6,602.50 : x
  2. Step 2: Convert to fraction form
    11,907.79/16,433.72 = 6,602.50/x
  3. Step 3: Cross multiply
    11,907.79x = 16,433.72 × 6,602.50
  4. Step 4: Simplify right side
    11,907.79x = 108,503,521.12
  5. Step 5: Solve for x
    x = 108,503,521.12/11,907.79
  6. Step 6: Final answer
    x = 9,111.98

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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.