Home / 7,013.08-9,673.74-4,178.50

Finding the Fourth Proportional to 7,013.08, 9,673.74 and 4,178.50

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Solution

The fourth proportional to 7,013.08, 9,673.74 and 4,178.50 is: 5,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.08 : 9,673.74 = 4,178.50 : x
  2. Step 2: Convert to fraction form
    7,013.08/9,673.74 = 4,178.50/x
  3. Step 3: Cross multiply
    7,013.08x = 9,673.74 × 4,178.50
  4. Step 4: Simplify right side
    7,013.08x = 40,421,722.59
  5. Step 5: Solve for x
    x = 40,421,722.59/7,013.08
  6. Step 6: Final answer
    x = 5,763.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.