Home / 12,557.93-17,328.45-7,452.64

Finding the Fourth Proportional to 12,557.93, 17,328.45 and 7,452.64

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Solution

The fourth proportional to 12,557.93, 17,328.45 and 7,452.64 is: 10,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.93 : 17,328.45 = 7,452.64 : x
  2. Step 2: Convert to fraction form
    12,557.93/17,328.45 = 7,452.64/x
  3. Step 3: Cross multiply
    12,557.93x = 17,328.45 × 7,452.64
  4. Step 4: Simplify right side
    12,557.93x = 129,142,656.29
  5. Step 5: Solve for x
    x = 129,142,656.29/12,557.93
  6. Step 6: Final answer
    x = 10,283.75

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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.