Home / 9,905.47-14,867.45-5,228.93

Finding the Fourth Proportional to 9,905.47, 14,867.45 and 5,228.93

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Solution

The fourth proportional to 9,905.47, 14,867.45 and 5,228.93 is: 7,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.47 : 14,867.45 = 5,228.93 : x
  2. Step 2: Convert to fraction form
    9,905.47/14,867.45 = 5,228.93/x
  3. Step 3: Cross multiply
    9,905.47x = 14,867.45 × 5,228.93
  4. Step 4: Simplify right side
    9,905.47x = 77,740,866.35
  5. Step 5: Solve for x
    x = 77,740,866.35/9,905.47
  6. Step 6: Final answer
    x = 7,848.28

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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.