Home / 11,355.03-15,684.95-9,472.84

Finding the Fourth Proportional to 11,355.03, 15,684.95 and 9,472.84

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Solution

The fourth proportional to 11,355.03, 15,684.95 and 9,472.84 is: 13,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.03 : 15,684.95 = 9,472.84 : x
  2. Step 2: Convert to fraction form
    11,355.03/15,684.95 = 9,472.84/x
  3. Step 3: Cross multiply
    11,355.03x = 15,684.95 × 9,472.84
  4. Step 4: Simplify right side
    11,355.03x = 148,581,006.23
  5. Step 5: Solve for x
    x = 148,581,006.23/11,355.03
  6. Step 6: Final answer
    x = 13,085.04

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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.