Home / 9,983.79-14,975.69-4,719.33

Finding the Fourth Proportional to 9,983.79, 14,975.69 and 4,719.33

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Solution

The fourth proportional to 9,983.79, 14,975.69 and 4,719.33 is: 7,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.79 : 14,975.69 = 4,719.33 : x
  2. Step 2: Convert to fraction form
    9,983.79/14,975.69 = 4,719.33/x
  3. Step 3: Cross multiply
    9,983.79x = 14,975.69 × 4,719.33
  4. Step 4: Simplify right side
    9,983.79x = 70,675,199.49
  5. Step 5: Solve for x
    x = 70,675,199.49/9,983.79
  6. Step 6: Final answer
    x = 7,079.00

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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.