Home / 9,900.48-13,663.44-5,710.08

Finding the Fourth Proportional to 9,900.48, 13,663.44 and 5,710.08

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Solution

The fourth proportional to 9,900.48, 13,663.44 and 5,710.08 is: 7,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.48 : 13,663.44 = 5,710.08 : x
  2. Step 2: Convert to fraction form
    9,900.48/13,663.44 = 5,710.08/x
  3. Step 3: Cross multiply
    9,900.48x = 13,663.44 × 5,710.08
  4. Step 4: Simplify right side
    9,900.48x = 78,019,335.48
  5. Step 5: Solve for x
    x = 78,019,335.48/9,900.48
  6. Step 6: Final answer
    x = 7,880.36

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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.