Home / 9,973.40-14,960.23-4,778.06

Finding the Fourth Proportional to 9,973.40, 14,960.23 and 4,778.06

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Solution

The fourth proportional to 9,973.40, 14,960.23 and 4,778.06 is: 7,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.40 : 14,960.23 = 4,778.06 : x
  2. Step 2: Convert to fraction form
    9,973.40/14,960.23 = 4,778.06/x
  3. Step 3: Cross multiply
    9,973.40x = 14,960.23 × 4,778.06
  4. Step 4: Simplify right side
    9,973.40x = 71,480,789.81
  5. Step 5: Solve for x
    x = 71,480,789.81/9,973.40
  6. Step 6: Final answer
    x = 7,167.15

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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.