Home / 8,303.52-11,457.47-5,318.74

Finding the Fourth Proportional to 8,303.52, 11,457.47 and 5,318.74

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Solution

The fourth proportional to 8,303.52, 11,457.47 and 5,318.74 is: 7,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.52 : 11,457.47 = 5,318.74 : x
  2. Step 2: Convert to fraction form
    8,303.52/11,457.47 = 5,318.74/x
  3. Step 3: Cross multiply
    8,303.52x = 11,457.47 × 5,318.74
  4. Step 4: Simplify right side
    8,303.52x = 60,939,288.64
  5. Step 5: Solve for x
    x = 60,939,288.64/8,303.52
  6. Step 6: Final answer
    x = 7,338.97

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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.