Home / 9,065.36-12,509.99-5,031.95

Finding the Fourth Proportional to 9,065.36, 12,509.99 and 5,031.95

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Solution

The fourth proportional to 9,065.36, 12,509.99 and 5,031.95 is: 6,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.36 : 12,509.99 = 5,031.95 : x
  2. Step 2: Convert to fraction form
    9,065.36/12,509.99 = 5,031.95/x
  3. Step 3: Cross multiply
    9,065.36x = 12,509.99 × 5,031.95
  4. Step 4: Simplify right side
    9,065.36x = 62,949,594.21
  5. Step 5: Solve for x
    x = 62,949,594.21/9,065.36
  6. Step 6: Final answer
    x = 6,943.97

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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.