Home / 10,186.65-14,055.93-5,710.32

Finding the Fourth Proportional to 10,186.65, 14,055.93 and 5,710.32

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Solution

The fourth proportional to 10,186.65, 14,055.93 and 5,710.32 is: 7,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.65 : 14,055.93 = 5,710.32 : x
  2. Step 2: Convert to fraction form
    10,186.65/14,055.93 = 5,710.32/x
  3. Step 3: Cross multiply
    10,186.65x = 14,055.93 × 5,710.32
  4. Step 4: Simplify right side
    10,186.65x = 80,263,858.20
  5. Step 5: Solve for x
    x = 80,263,858.20/10,186.65
  6. Step 6: Final answer
    x = 7,879.32

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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.