Home / 9,125.88-12,594.28-5,145.52

Finding the Fourth Proportional to 9,125.88, 12,594.28 and 5,145.52

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Solution

The fourth proportional to 9,125.88, 12,594.28 and 5,145.52 is: 7,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.88 : 12,594.28 = 5,145.52 : x
  2. Step 2: Convert to fraction form
    9,125.88/12,594.28 = 5,145.52/x
  3. Step 3: Cross multiply
    9,125.88x = 12,594.28 × 5,145.52
  4. Step 4: Simplify right side
    9,125.88x = 64,804,119.63
  5. Step 5: Solve for x
    x = 64,804,119.63/9,125.88
  6. Step 6: Final answer
    x = 7,101.14

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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.