Home / 9,153.36-12,632.40-5,176.08

Finding the Fourth Proportional to 9,153.36, 12,632.40 and 5,176.08

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Solution

The fourth proportional to 9,153.36, 12,632.40 and 5,176.08 is: 7,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.36 : 12,632.40 = 5,176.08 : x
  2. Step 2: Convert to fraction form
    9,153.36/12,632.40 = 5,176.08/x
  3. Step 3: Cross multiply
    9,153.36x = 12,632.40 × 5,176.08
  4. Step 4: Simplify right side
    9,153.36x = 65,386,312.99
  5. Step 5: Solve for x
    x = 65,386,312.99/9,153.36
  6. Step 6: Final answer
    x = 7,143.42

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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.