Home / 11,886.68-17,824.56-5,312.93

Finding the Fourth Proportional to 11,886.68, 17,824.56 and 5,312.93

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Solution

The fourth proportional to 11,886.68, 17,824.56 and 5,312.93 is: 7,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.68 : 17,824.56 = 5,312.93 : x
  2. Step 2: Convert to fraction form
    11,886.68/17,824.56 = 5,312.93/x
  3. Step 3: Cross multiply
    11,886.68x = 17,824.56 × 5,312.93
  4. Step 4: Simplify right side
    11,886.68x = 94,700,530.51
  5. Step 5: Solve for x
    x = 94,700,530.51/11,886.68
  6. Step 6: Final answer
    x = 7,966.94

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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.