Home / 11,707.60-16,154.71-6,602.90

Finding the Fourth Proportional to 11,707.60, 16,154.71 and 6,602.90

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Solution

The fourth proportional to 11,707.60, 16,154.71 and 6,602.90 is: 9,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.60 : 16,154.71 = 6,602.90 : x
  2. Step 2: Convert to fraction form
    11,707.60/16,154.71 = 6,602.90/x
  3. Step 3: Cross multiply
    11,707.60x = 16,154.71 × 6,602.90
  4. Step 4: Simplify right side
    11,707.60x = 106,667,934.66
  5. Step 5: Solve for x
    x = 106,667,934.66/11,707.60
  6. Step 6: Final answer
    x = 9,111.00

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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.