Home / 9,255.04-12,769.28-5,528.32

Finding the Fourth Proportional to 9,255.04, 12,769.28 and 5,528.32

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Solution

The fourth proportional to 9,255.04, 12,769.28 and 5,528.32 is: 7,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.04 : 12,769.28 = 5,528.32 : x
  2. Step 2: Convert to fraction form
    9,255.04/12,769.28 = 5,528.32/x
  3. Step 3: Cross multiply
    9,255.04x = 12,769.28 × 5,528.32
  4. Step 4: Simplify right side
    9,255.04x = 70,592,666.01
  5. Step 5: Solve for x
    x = 70,592,666.01/9,255.04
  6. Step 6: Final answer
    x = 7,627.48

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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.