Home / 7,378.65-10,177.47-4,392.18

Finding the Fourth Proportional to 7,378.65, 10,177.47 and 4,392.18

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Solution

The fourth proportional to 7,378.65, 10,177.47 and 4,392.18 is: 6,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.65 : 10,177.47 = 4,392.18 : x
  2. Step 2: Convert to fraction form
    7,378.65/10,177.47 = 4,392.18/x
  3. Step 3: Cross multiply
    7,378.65x = 10,177.47 × 4,392.18
  4. Step 4: Simplify right side
    7,378.65x = 44,701,280.18
  5. Step 5: Solve for x
    x = 44,701,280.18/7,378.65
  6. Step 6: Final answer
    x = 6,058.19

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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.