Home / 28,769.04-43,152.12-9,047.16

Finding the Fourth Proportional to 28,769.04, 43,152.12 and 9,047.16

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Solution

The fourth proportional to 28,769.04, 43,152.12 and 9,047.16 is: 13,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.04 : 43,152.12 = 9,047.16 : x
  2. Step 2: Convert to fraction form
    28,769.04/43,152.12 = 9,047.16/x
  3. Step 3: Cross multiply
    28,769.04x = 43,152.12 × 9,047.16
  4. Step 4: Simplify right side
    28,769.04x = 390,404,133.98
  5. Step 5: Solve for x
    x = 390,404,133.98/28,769.04
  6. Step 6: Final answer
    x = 13,570.29

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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.