Home / 7,518.33-10,374.21-4,288.19

Finding the Fourth Proportional to 7,518.33, 10,374.21 and 4,288.19

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Solution

The fourth proportional to 7,518.33, 10,374.21 and 4,288.19 is: 5,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.33 : 10,374.21 = 4,288.19 : x
  2. Step 2: Convert to fraction form
    7,518.33/10,374.21 = 4,288.19/x
  3. Step 3: Cross multiply
    7,518.33x = 10,374.21 × 4,288.19
  4. Step 4: Simplify right side
    7,518.33x = 44,486,531.71
  5. Step 5: Solve for x
    x = 44,486,531.71/7,518.33
  6. Step 6: Final answer
    x = 5,917.08

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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.