Home / 9,419.10-14,118.63-4,478.30

Finding the Fourth Proportional to 9,419.10, 14,118.63 and 4,478.30

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Solution

The fourth proportional to 9,419.10, 14,118.63 and 4,478.30 is: 6,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.10 : 14,118.63 = 4,478.30 : x
  2. Step 2: Convert to fraction form
    9,419.10/14,118.63 = 4,478.30/x
  3. Step 3: Cross multiply
    9,419.10x = 14,118.63 × 4,478.30
  4. Step 4: Simplify right side
    9,419.10x = 63,227,473.63
  5. Step 5: Solve for x
    x = 63,227,473.63/9,419.10
  6. Step 6: Final answer
    x = 6,712.69

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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.