Home / 9,730.04-13,427.55-5,538.56

Finding the Fourth Proportional to 9,730.04, 13,427.55 and 5,538.56

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Solution

The fourth proportional to 9,730.04, 13,427.55 and 5,538.56 is: 7,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730.04 : 13,427.55 = 5,538.56 : x
  2. Step 2: Convert to fraction form
    9,730.04/13,427.55 = 5,538.56/x
  3. Step 3: Cross multiply
    9,730.04x = 13,427.55 × 5,538.56
  4. Step 4: Simplify right side
    9,730.04x = 74,369,224.19
  5. Step 5: Solve for x
    x = 74,369,224.19/9,730.04
  6. Step 6: Final answer
    x = 7,643.26

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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.