Home / 10,386.32-14,333.27-5,670.50

Finding the Fourth Proportional to 10,386.32, 14,333.27 and 5,670.50

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Solution

The fourth proportional to 10,386.32, 14,333.27 and 5,670.50 is: 7,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.32 : 14,333.27 = 5,670.50 : x
  2. Step 2: Convert to fraction form
    10,386.32/14,333.27 = 5,670.50/x
  3. Step 3: Cross multiply
    10,386.32x = 14,333.27 × 5,670.50
  4. Step 4: Simplify right side
    10,386.32x = 81,276,707.52
  5. Step 5: Solve for x
    x = 81,276,707.52/10,386.32
  6. Step 6: Final answer
    x = 7,825.37

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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.