Home / 11,813.40-16,313.04-11,253.24

Finding the Fourth Proportional to 11,813.40, 16,313.04 and 11,253.24

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Solution

The fourth proportional to 11,813.40, 16,313.04 and 11,253.24 is: 15,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.40 : 16,313.04 = 11,253.24 : x
  2. Step 2: Convert to fraction form
    11,813.40/16,313.04 = 11,253.24/x
  3. Step 3: Cross multiply
    11,813.40x = 16,313.04 × 11,253.24
  4. Step 4: Simplify right side
    11,813.40x = 183,574,554.25
  5. Step 5: Solve for x
    x = 183,574,554.25/11,813.40
  6. Step 6: Final answer
    x = 15,539.52

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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.