Home / 10,036.08-13,847.76-5,786.40

Finding the Fourth Proportional to 10,036.08, 13,847.76 and 5,786.40

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Solution

The fourth proportional to 10,036.08, 13,847.76 and 5,786.40 is: 7,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.08 : 13,847.76 = 5,786.40 : x
  2. Step 2: Convert to fraction form
    10,036.08/13,847.76 = 5,786.40/x
  3. Step 3: Cross multiply
    10,036.08x = 13,847.76 × 5,786.40
  4. Step 4: Simplify right side
    10,036.08x = 80,128,678.46
  5. Step 5: Solve for x
    x = 80,128,678.46/10,036.08
  6. Step 6: Final answer
    x = 7,984.06

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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.