Home / 11,329.54-15,595.95-9,828.62

Finding the Fourth Proportional to 11,329.54, 15,595.95 and 9,828.62

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Solution

The fourth proportional to 11,329.54, 15,595.95 and 9,828.62 is: 13,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.54 : 15,595.95 = 9,828.62 : x
  2. Step 2: Convert to fraction form
    11,329.54/15,595.95 = 9,828.62/x
  3. Step 3: Cross multiply
    11,329.54x = 15,595.95 × 9,828.62
  4. Step 4: Simplify right side
    11,329.54x = 153,286,666.09
  5. Step 5: Solve for x
    x = 153,286,666.09/11,329.54
  6. Step 6: Final answer
    x = 13,529.82

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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.