Home / 11,708.85-17,555.04-4,312.35

Finding the Fourth Proportional to 11,708.85, 17,555.04 and 4,312.35

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Solution

The fourth proportional to 11,708.85, 17,555.04 and 4,312.35 is: 6,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.85 : 17,555.04 = 4,312.35 : x
  2. Step 2: Convert to fraction form
    11,708.85/17,555.04 = 4,312.35/x
  3. Step 3: Cross multiply
    11,708.85x = 17,555.04 × 4,312.35
  4. Step 4: Simplify right side
    11,708.85x = 75,703,476.74
  5. Step 5: Solve for x
    x = 75,703,476.74/11,708.85
  6. Step 6: Final answer
    x = 6,465.49

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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.