Home / 9,401.86-14,104.65-4,207.78

Finding the Fourth Proportional to 9,401.86, 14,104.65 and 4,207.78

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Solution

The fourth proportional to 9,401.86, 14,104.65 and 4,207.78 is: 6,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.86 : 14,104.65 = 4,207.78 : x
  2. Step 2: Convert to fraction form
    9,401.86/14,104.65 = 4,207.78/x
  3. Step 3: Cross multiply
    9,401.86x = 14,104.65 × 4,207.78
  4. Step 4: Simplify right side
    9,401.86x = 59,349,264.18
  5. Step 5: Solve for x
    x = 59,349,264.18/9,401.86
  6. Step 6: Final answer
    x = 6,312.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.