Home / 11,436.98-15,783.33-6,402.07

Finding the Fourth Proportional to 11,436.98, 15,783.33 and 6,402.07

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Solution

The fourth proportional to 11,436.98, 15,783.33 and 6,402.07 is: 8,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.98 : 15,783.33 = 6,402.07 : x
  2. Step 2: Convert to fraction form
    11,436.98/15,783.33 = 6,402.07/x
  3. Step 3: Cross multiply
    11,436.98x = 15,783.33 × 6,402.07
  4. Step 4: Simplify right side
    11,436.98x = 101,045,904.58
  5. Step 5: Solve for x
    x = 101,045,904.58/11,436.98
  6. Step 6: Final answer
    x = 8,835.02

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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.