Home / 11,401.04-15,733.50-6,685.40

Finding the Fourth Proportional to 11,401.04, 15,733.50 and 6,685.40

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Solution

The fourth proportional to 11,401.04, 15,733.50 and 6,685.40 is: 9,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.04 : 15,733.50 = 6,685.40 : x
  2. Step 2: Convert to fraction form
    11,401.04/15,733.50 = 6,685.40/x
  3. Step 3: Cross multiply
    11,401.04x = 15,733.50 × 6,685.40
  4. Step 4: Simplify right side
    11,401.04x = 105,184,740.90
  5. Step 5: Solve for x
    x = 105,184,740.90/11,401.04
  6. Step 6: Final answer
    x = 9,225.89

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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.