Home / 43,164.04-64,746.90-11,998.84

Finding the Fourth Proportional to 43,164.04, 64,746.90 and 11,998.84

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Solution

The fourth proportional to 43,164.04, 64,746.90 and 11,998.84 is: 17,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164.04 : 64,746.90 = 11,998.84 : x
  2. Step 2: Convert to fraction form
    43,164.04/64,746.90 = 11,998.84/x
  3. Step 3: Cross multiply
    43,164.04x = 64,746.90 × 11,998.84
  4. Step 4: Simplify right side
    43,164.04x = 776,887,693.60
  5. Step 5: Solve for x
    x = 776,887,693.60/43,164.04
  6. Step 6: Final answer
    x = 17,998.49

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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.