Home / 9,384.48-14,007.40-8,277.68

Finding the Fourth Proportional to 9,384.48, 14,007.40 and 8,277.68

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Solution

The fourth proportional to 9,384.48, 14,007.40 and 8,277.68 is: 12,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.48 : 14,007.40 = 8,277.68 : x
  2. Step 2: Convert to fraction form
    9,384.48/14,007.40 = 8,277.68/x
  3. Step 3: Cross multiply
    9,384.48x = 14,007.40 × 8,277.68
  4. Step 4: Simplify right side
    9,384.48x = 115,948,774.83
  5. Step 5: Solve for x
    x = 115,948,774.83/9,384.48
  6. Step 6: Final answer
    x = 12,355.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.