Home / 7,547.04-10,415.52-5,190.48

Finding the Fourth Proportional to 7,547.04, 10,415.52 and 5,190.48

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Solution

The fourth proportional to 7,547.04, 10,415.52 and 5,190.48 is: 7,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.04 : 10,415.52 = 5,190.48 : x
  2. Step 2: Convert to fraction form
    7,547.04/10,415.52 = 5,190.48/x
  3. Step 3: Cross multiply
    7,547.04x = 10,415.52 × 5,190.48
  4. Step 4: Simplify right side
    7,547.04x = 54,061,548.25
  5. Step 5: Solve for x
    x = 54,061,548.25/7,547.04
  6. Step 6: Final answer
    x = 7,163.28

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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.