Home / 10,277.25-14,211.77-9,813.12

Finding the Fourth Proportional to 10,277.25, 14,211.77 and 9,813.12

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Solution

The fourth proportional to 10,277.25, 14,211.77 and 9,813.12 is: 13,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.25 : 14,211.77 = 9,813.12 : x
  2. Step 2: Convert to fraction form
    10,277.25/14,211.77 = 9,813.12/x
  3. Step 3: Cross multiply
    10,277.25x = 14,211.77 × 9,813.12
  4. Step 4: Simplify right side
    10,277.25x = 139,461,755.36
  5. Step 5: Solve for x
    x = 139,461,755.36/10,277.25
  6. Step 6: Final answer
    x = 13,569.95

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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.