Home / 7,848.18-10,828.35-5,055.30

Finding the Fourth Proportional to 7,848.18, 10,828.35 and 5,055.30

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Solution

The fourth proportional to 7,848.18, 10,828.35 and 5,055.30 is: 6,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.18 : 10,828.35 = 5,055.30 : x
  2. Step 2: Convert to fraction form
    7,848.18/10,828.35 = 5,055.30/x
  3. Step 3: Cross multiply
    7,848.18x = 10,828.35 × 5,055.30
  4. Step 4: Simplify right side
    7,848.18x = 54,740,557.76
  5. Step 5: Solve for x
    x = 54,740,557.76/7,848.18
  6. Step 6: Final answer
    x = 6,974.94

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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.