Home / 8,925.39-12,314.03-5,782.19

Finding the Fourth Proportional to 8,925.39, 12,314.03 and 5,782.19

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Solution

The fourth proportional to 8,925.39, 12,314.03 and 5,782.19 is: 7,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.39 : 12,314.03 = 5,782.19 : x
  2. Step 2: Convert to fraction form
    8,925.39/12,314.03 = 5,782.19/x
  3. Step 3: Cross multiply
    8,925.39x = 12,314.03 × 5,782.19
  4. Step 4: Simplify right side
    8,925.39x = 71,201,970.64
  5. Step 5: Solve for x
    x = 71,201,970.64/8,925.39
  6. Step 6: Final answer
    x = 7,977.46

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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.