Home / 6,376.49-8,800.59-5,312.56

Finding the Fourth Proportional to 6,376.49, 8,800.59 and 5,312.56

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Solution

The fourth proportional to 6,376.49, 8,800.59 and 5,312.56 is: 7,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.49 : 8,800.59 = 5,312.56 : x
  2. Step 2: Convert to fraction form
    6,376.49/8,800.59 = 5,312.56/x
  3. Step 3: Cross multiply
    6,376.49x = 8,800.59 × 5,312.56
  4. Step 4: Simplify right side
    6,376.49x = 46,753,709.83
  5. Step 5: Solve for x
    x = 46,753,709.83/6,376.49
  6. Step 6: Final answer
    x = 7,332.21

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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.