Home / 9,355.08-12,909.75-5,106.27

Finding the Fourth Proportional to 9,355.08, 12,909.75 and 5,106.27

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Solution

The fourth proportional to 9,355.08, 12,909.75 and 5,106.27 is: 7,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.08 : 12,909.75 = 5,106.27 : x
  2. Step 2: Convert to fraction form
    9,355.08/12,909.75 = 5,106.27/x
  3. Step 3: Cross multiply
    9,355.08x = 12,909.75 × 5,106.27
  4. Step 4: Simplify right side
    9,355.08x = 65,920,669.13
  5. Step 5: Solve for x
    x = 65,920,669.13/9,355.08
  6. Step 6: Final answer
    x = 7,046.51

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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.