Home / 9,113.24-13,695.52-5,416.14

Finding the Fourth Proportional to 9,113.24, 13,695.52 and 5,416.14

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Solution

The fourth proportional to 9,113.24, 13,695.52 and 5,416.14 is: 8,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.24 : 13,695.52 = 5,416.14 : x
  2. Step 2: Convert to fraction form
    9,113.24/13,695.52 = 5,416.14/x
  3. Step 3: Cross multiply
    9,113.24x = 13,695.52 × 5,416.14
  4. Step 4: Simplify right side
    9,113.24x = 74,176,853.69
  5. Step 5: Solve for x
    x = 74,176,853.69/9,113.24
  6. Step 6: Final answer
    x = 8,139.46

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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.