Home / 12,088.24-16,681.75-6,783.55

Finding the Fourth Proportional to 12,088.24, 16,681.75 and 6,783.55

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Solution

The fourth proportional to 12,088.24, 16,681.75 and 6,783.55 is: 9,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.24 : 16,681.75 = 6,783.55 : x
  2. Step 2: Convert to fraction form
    12,088.24/16,681.75 = 6,783.55/x
  3. Step 3: Cross multiply
    12,088.24x = 16,681.75 × 6,783.55
  4. Step 4: Simplify right side
    12,088.24x = 113,161,485.21
  5. Step 5: Solve for x
    x = 113,161,485.21/12,088.24
  6. Step 6: Final answer
    x = 9,361.29

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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.