Home / 7,215.04-10,798.80-5,474.08

Finding the Fourth Proportional to 7,215.04, 10,798.80 and 5,474.08

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Solution

The fourth proportional to 7,215.04, 10,798.80 and 5,474.08 is: 8,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.04 : 10,798.80 = 5,474.08 : x
  2. Step 2: Convert to fraction form
    7,215.04/10,798.80 = 5,474.08/x
  3. Step 3: Cross multiply
    7,215.04x = 10,798.80 × 5,474.08
  4. Step 4: Simplify right side
    7,215.04x = 59,113,495.10
  5. Step 5: Solve for x
    x = 59,113,495.10/7,215.04
  6. Step 6: Final answer
    x = 8,193.09

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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.