Home / 9,180.02-12,668.18-5,402.34

Finding the Fourth Proportional to 9,180.02, 12,668.18 and 5,402.34

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Solution

The fourth proportional to 9,180.02, 12,668.18 and 5,402.34 is: 7,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.02 : 12,668.18 = 5,402.34 : x
  2. Step 2: Convert to fraction form
    9,180.02/12,668.18 = 5,402.34/x
  3. Step 3: Cross multiply
    9,180.02x = 12,668.18 × 5,402.34
  4. Step 4: Simplify right side
    9,180.02x = 68,437,815.54
  5. Step 5: Solve for x
    x = 68,437,815.54/9,180.02
  6. Step 6: Final answer
    x = 7,455.08

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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.