Home / 6,870.36-9,483.38-4,886.67

Finding the Fourth Proportional to 6,870.36, 9,483.38 and 4,886.67

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Solution

The fourth proportional to 6,870.36, 9,483.38 and 4,886.67 is: 6,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.36 : 9,483.38 = 4,886.67 : x
  2. Step 2: Convert to fraction form
    6,870.36/9,483.38 = 4,886.67/x
  3. Step 3: Cross multiply
    6,870.36x = 9,483.38 × 4,886.67
  4. Step 4: Simplify right side
    6,870.36x = 46,342,148.54
  5. Step 5: Solve for x
    x = 46,342,148.54/6,870.36
  6. Step 6: Final answer
    x = 6,745.23

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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.