Home / 12,440.93-17,168.69-6,851.93

Finding the Fourth Proportional to 12,440.93, 17,168.69 and 6,851.93

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Solution

The fourth proportional to 12,440.93, 17,168.69 and 6,851.93 is: 9,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.93 : 17,168.69 = 6,851.93 : x
  2. Step 2: Convert to fraction form
    12,440.93/17,168.69 = 6,851.93/x
  3. Step 3: Cross multiply
    12,440.93x = 17,168.69 × 6,851.93
  4. Step 4: Simplify right side
    12,440.93x = 117,638,627.81
  5. Step 5: Solve for x
    x = 117,638,627.81/12,440.93
  6. Step 6: Final answer
    x = 9,455.77

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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.