Home / 8,674.36-11,970.65-4,695.47

Finding the Fourth Proportional to 8,674.36, 11,970.65 and 4,695.47

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Solution

The fourth proportional to 8,674.36, 11,970.65 and 4,695.47 is: 6,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.36 : 11,970.65 = 4,695.47 : x
  2. Step 2: Convert to fraction form
    8,674.36/11,970.65 = 4,695.47/x
  3. Step 3: Cross multiply
    8,674.36x = 11,970.65 × 4,695.47
  4. Step 4: Simplify right side
    8,674.36x = 56,207,804.48
  5. Step 5: Solve for x
    x = 56,207,804.48/8,674.36
  6. Step 6: Final answer
    x = 6,479.76

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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.