Home / 11,000.04-15,159.73-7,813.46

Finding the Fourth Proportional to 11,000.04, 15,159.73 and 7,813.46

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Solution

The fourth proportional to 11,000.04, 15,159.73 and 7,813.46 is: 10,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.04 : 15,159.73 = 7,813.46 : x
  2. Step 2: Convert to fraction form
    11,000.04/15,159.73 = 7,813.46/x
  3. Step 3: Cross multiply
    11,000.04x = 15,159.73 × 7,813.46
  4. Step 4: Simplify right side
    11,000.04x = 118,449,853.58
  5. Step 5: Solve for x
    x = 118,449,853.58/11,000.04
  6. Step 6: Final answer
    x = 10,768.13

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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.