Home / 8,985.57-13,478.31-2,322.06

Finding the Fourth Proportional to 8,985.57, 13,478.31 and 2,322.06

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Solution

The fourth proportional to 8,985.57, 13,478.31 and 2,322.06 is: 3,483.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.57 : 13,478.31 = 2,322.06 : x
  2. Step 2: Convert to fraction form
    8,985.57/13,478.31 = 2,322.06/x
  3. Step 3: Cross multiply
    8,985.57x = 13,478.31 × 2,322.06
  4. Step 4: Simplify right side
    8,985.57x = 31,297,444.52
  5. Step 5: Solve for x
    x = 31,297,444.52/8,985.57
  6. Step 6: Final answer
    x = 3,483.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.