Home / 8,707.35-12,016.04-4,728.49

Finding the Fourth Proportional to 8,707.35, 12,016.04 and 4,728.49

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Solution

The fourth proportional to 8,707.35, 12,016.04 and 4,728.49 is: 6,525.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.35 : 12,016.04 = 4,728.49 : x
  2. Step 2: Convert to fraction form
    8,707.35/12,016.04 = 4,728.49/x
  3. Step 3: Cross multiply
    8,707.35x = 12,016.04 × 4,728.49
  4. Step 4: Simplify right side
    8,707.35x = 56,817,688.19
  5. Step 5: Solve for x
    x = 56,817,688.19/8,707.35
  6. Step 6: Final answer
    x = 6,525.26

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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.