Home / 9,552.40-14,328.60-5,178.40

Finding the Fourth Proportional to 9,552.40, 14,328.60 and 5,178.40

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Solution

The fourth proportional to 9,552.40, 14,328.60 and 5,178.40 is: 7,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,552.40 : 14,328.60 = 5,178.40 : x
  2. Step 2: Convert to fraction form
    9,552.40/14,328.60 = 5,178.40/x
  3. Step 3: Cross multiply
    9,552.40x = 14,328.60 × 5,178.40
  4. Step 4: Simplify right side
    9,552.40x = 74,199,222.24
  5. Step 5: Solve for x
    x = 74,199,222.24/9,552.40
  6. Step 6: Final answer
    x = 7,767.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.