Home / 12,474.93-18,696.23-5,070.78

Finding the Fourth Proportional to 12,474.93, 18,696.23 and 5,070.78

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Solution

The fourth proportional to 12,474.93, 18,696.23 and 5,070.78 is: 7,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.93 : 18,696.23 = 5,070.78 : x
  2. Step 2: Convert to fraction form
    12,474.93/18,696.23 = 5,070.78/x
  3. Step 3: Cross multiply
    12,474.93x = 18,696.23 × 5,070.78
  4. Step 4: Simplify right side
    12,474.93x = 94,804,443.81
  5. Step 5: Solve for x
    x = 94,804,443.81/12,474.93
  6. Step 6: Final answer
    x = 7,599.60

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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.