Home / 8,242.16-11,376.25-4,707.45

Finding the Fourth Proportional to 8,242.16, 11,376.25 and 4,707.45

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Solution

The fourth proportional to 8,242.16, 11,376.25 and 4,707.45 is: 6,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.16 : 11,376.25 = 4,707.45 : x
  2. Step 2: Convert to fraction form
    8,242.16/11,376.25 = 4,707.45/x
  3. Step 3: Cross multiply
    8,242.16x = 11,376.25 × 4,707.45
  4. Step 4: Simplify right side
    8,242.16x = 53,553,116.29
  5. Step 5: Solve for x
    x = 53,553,116.29/8,242.16
  6. Step 6: Final answer
    x = 6,497.47

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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.