Home / 9,365.60-12,924.48-5,387.04

Finding the Fourth Proportional to 9,365.60, 12,924.48 and 5,387.04

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Solution

The fourth proportional to 9,365.60, 12,924.48 and 5,387.04 is: 7,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.60 : 12,924.48 = 5,387.04 : x
  2. Step 2: Convert to fraction form
    9,365.60/12,924.48 = 5,387.04/x
  3. Step 3: Cross multiply
    9,365.60x = 12,924.48 × 5,387.04
  4. Step 4: Simplify right side
    9,365.60x = 69,624,690.74
  5. Step 5: Solve for x
    x = 69,624,690.74/9,365.60
  6. Step 6: Final answer
    x = 7,434.09

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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.