Home / 9,228.28-12,735-5,036.52

Finding the Fourth Proportional to 9,228.28, 12,735 and 5,036.52

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Solution

The fourth proportional to 9,228.28, 12,735 and 5,036.52 is: 6,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.28 : 12,735 = 5,036.52 : x
  2. Step 2: Convert to fraction form
    9,228.28/12,735 = 5,036.52/x
  3. Step 3: Cross multiply
    9,228.28x = 12,735 × 5,036.52
  4. Step 4: Simplify right side
    9,228.28x = 64,140,082.20
  5. Step 5: Solve for x
    x = 64,140,082.20/9,228.28
  6. Step 6: Final answer
    x = 6,950.38

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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.