Home / 6,303.24-8,678.76-5,357.16

Finding the Fourth Proportional to 6,303.24, 8,678.76 and 5,357.16

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Solution

The fourth proportional to 6,303.24, 8,678.76 and 5,357.16 is: 7,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.24 : 8,678.76 = 5,357.16 : x
  2. Step 2: Convert to fraction form
    6,303.24/8,678.76 = 5,357.16/x
  3. Step 3: Cross multiply
    6,303.24x = 8,678.76 × 5,357.16
  4. Step 4: Simplify right side
    6,303.24x = 46,493,505.92
  5. Step 5: Solve for x
    x = 46,493,505.92/6,303.24
  6. Step 6: Final answer
    x = 7,376.13

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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.