Home / 43,095.51-64,646.64-11,930.76

Finding the Fourth Proportional to 43,095.51, 64,646.64 and 11,930.76

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Solution

The fourth proportional to 43,095.51, 64,646.64 and 11,930.76 is: 17,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,095.51 : 64,646.64 = 11,930.76 : x
  2. Step 2: Convert to fraction form
    43,095.51/64,646.64 = 11,930.76/x
  3. Step 3: Cross multiply
    43,095.51x = 64,646.64 × 11,930.76
  4. Step 4: Simplify right side
    43,095.51x = 771,283,546.65
  5. Step 5: Solve for x
    x = 771,283,546.65/43,095.51
  6. Step 6: Final answer
    x = 17,897.07

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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.