Home / 7,554.80-10,430.70-5,783.24

Finding the Fourth Proportional to 7,554.80, 10,430.70 and 5,783.24

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Solution

The fourth proportional to 7,554.80, 10,430.70 and 5,783.24 is: 7,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.80 : 10,430.70 = 5,783.24 : x
  2. Step 2: Convert to fraction form
    7,554.80/10,430.70 = 5,783.24/x
  3. Step 3: Cross multiply
    7,554.80x = 10,430.70 × 5,783.24
  4. Step 4: Simplify right side
    7,554.80x = 60,323,241.47
  5. Step 5: Solve for x
    x = 60,323,241.47/7,554.80
  6. Step 6: Final answer
    x = 7,984.76

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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.