Home / 8,953.28-12,348.96-6,159.68

Finding the Fourth Proportional to 8,953.28, 12,348.96 and 6,159.68

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Solution

The fourth proportional to 8,953.28, 12,348.96 and 6,159.68 is: 8,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.28 : 12,348.96 = 6,159.68 : x
  2. Step 2: Convert to fraction form
    8,953.28/12,348.96 = 6,159.68/x
  3. Step 3: Cross multiply
    8,953.28x = 12,348.96 × 6,159.68
  4. Step 4: Simplify right side
    8,953.28x = 76,065,641.93
  5. Step 5: Solve for x
    x = 76,065,641.93/8,953.28
  6. Step 6: Final answer
    x = 8,495.84

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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.