Home / 9,585.12-13,226.40-5,393.28

Finding the Fourth Proportional to 9,585.12, 13,226.40 and 5,393.28

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Solution

The fourth proportional to 9,585.12, 13,226.40 and 5,393.28 is: 7,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585.12 : 13,226.40 = 5,393.28 : x
  2. Step 2: Convert to fraction form
    9,585.12/13,226.40 = 5,393.28/x
  3. Step 3: Cross multiply
    9,585.12x = 13,226.40 × 5,393.28
  4. Step 4: Simplify right side
    9,585.12x = 71,333,678.59
  5. Step 5: Solve for x
    x = 71,333,678.59/9,585.12
  6. Step 6: Final answer
    x = 7,442.13

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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.