Home / 9,774.40-14,661.63-2,378.89

Finding the Fourth Proportional to 9,774.40, 14,661.63 and 2,378.89

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Solution

The fourth proportional to 9,774.40, 14,661.63 and 2,378.89 is: 3,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774.40 : 14,661.63 = 2,378.89 : x
  2. Step 2: Convert to fraction form
    9,774.40/14,661.63 = 2,378.89/x
  3. Step 3: Cross multiply
    9,774.40x = 14,661.63 × 2,378.89
  4. Step 4: Simplify right side
    9,774.40x = 34,878,404.99
  5. Step 5: Solve for x
    x = 34,878,404.99/9,774.40
  6. Step 6: Final answer
    x = 3,568.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.