Home / 9,363.40-12,924.26-5,387.31

Finding the Fourth Proportional to 9,363.40, 12,924.26 and 5,387.31

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Solution

The fourth proportional to 9,363.40, 12,924.26 and 5,387.31 is: 7,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.40 : 12,924.26 = 5,387.31 : x
  2. Step 2: Convert to fraction form
    9,363.40/12,924.26 = 5,387.31/x
  3. Step 3: Cross multiply
    9,363.40x = 12,924.26 × 5,387.31
  4. Step 4: Simplify right side
    9,363.40x = 69,626,988.41
  5. Step 5: Solve for x
    x = 69,626,988.41/9,363.40
  6. Step 6: Final answer
    x = 7,436.08

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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.