Home / 9,478.71-14,212.89-2,903.13

Finding the Fourth Proportional to 9,478.71, 14,212.89 and 2,903.13

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Solution

The fourth proportional to 9,478.71, 14,212.89 and 2,903.13 is: 4,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.71 : 14,212.89 = 2,903.13 : x
  2. Step 2: Convert to fraction form
    9,478.71/14,212.89 = 2,903.13/x
  3. Step 3: Cross multiply
    9,478.71x = 14,212.89 × 2,903.13
  4. Step 4: Simplify right side
    9,478.71x = 41,261,867.35
  5. Step 5: Solve for x
    x = 41,261,867.35/9,478.71
  6. Step 6: Final answer
    x = 4,353.11

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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.