Home / 9,840.48-14,764.56-5,678.29

Finding the Fourth Proportional to 9,840.48, 14,764.56 and 5,678.29

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Solution

The fourth proportional to 9,840.48, 14,764.56 and 5,678.29 is: 8,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.48 : 14,764.56 = 5,678.29 : x
  2. Step 2: Convert to fraction form
    9,840.48/14,764.56 = 5,678.29/x
  3. Step 3: Cross multiply
    9,840.48x = 14,764.56 × 5,678.29
  4. Step 4: Simplify right side
    9,840.48x = 83,837,453.40
  5. Step 5: Solve for x
    x = 83,837,453.40/9,840.48
  6. Step 6: Final answer
    x = 8,519.65

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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.