Home / 10,339.75-14,268.96-5,624.05

Finding the Fourth Proportional to 10,339.75, 14,268.96 and 5,624.05

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Solution

The fourth proportional to 10,339.75, 14,268.96 and 5,624.05 is: 7,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.75 : 14,268.96 = 5,624.05 : x
  2. Step 2: Convert to fraction form
    10,339.75/14,268.96 = 5,624.05/x
  3. Step 3: Cross multiply
    10,339.75x = 14,268.96 × 5,624.05
  4. Step 4: Simplify right side
    10,339.75x = 80,249,344.49
  5. Step 5: Solve for x
    x = 80,249,344.49/10,339.75
  6. Step 6: Final answer
    x = 7,761.25

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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.