Home / 9,539.04-13,164.40-5,348.64

Finding the Fourth Proportional to 9,539.04, 13,164.40 and 5,348.64

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Solution

The fourth proportional to 9,539.04, 13,164.40 and 5,348.64 is: 7,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.04 : 13,164.40 = 5,348.64 : x
  2. Step 2: Convert to fraction form
    9,539.04/13,164.40 = 5,348.64/x
  3. Step 3: Cross multiply
    9,539.04x = 13,164.40 × 5,348.64
  4. Step 4: Simplify right side
    9,539.04x = 70,411,636.42
  5. Step 5: Solve for x
    x = 70,411,636.42/9,539.04
  6. Step 6: Final answer
    x = 7,381.42

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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.