Home / 13,117.12-19,674.72-6,541.48

Finding the Fourth Proportional to 13,117.12, 19,674.72 and 6,541.48

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Solution

The fourth proportional to 13,117.12, 19,674.72 and 6,541.48 is: 9,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.12 : 19,674.72 = 6,541.48 : x
  2. Step 2: Convert to fraction form
    13,117.12/19,674.72 = 6,541.48/x
  3. Step 3: Cross multiply
    13,117.12x = 19,674.72 × 6,541.48
  4. Step 4: Simplify right side
    13,117.12x = 128,701,787.39
  5. Step 5: Solve for x
    x = 128,701,787.39/13,117.12
  6. Step 6: Final answer
    x = 9,811.74

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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.