Home / 7,543.56-10,417.12-4,859.45

Finding the Fourth Proportional to 7,543.56, 10,417.12 and 4,859.45

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Solution

The fourth proportional to 7,543.56, 10,417.12 and 4,859.45 is: 6,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.56 : 10,417.12 = 4,859.45 : x
  2. Step 2: Convert to fraction form
    7,543.56/10,417.12 = 4,859.45/x
  3. Step 3: Cross multiply
    7,543.56x = 10,417.12 × 4,859.45
  4. Step 4: Simplify right side
    7,543.56x = 50,621,473.78
  5. Step 5: Solve for x
    x = 50,621,473.78/7,543.56
  6. Step 6: Final answer
    x = 6,710.55

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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.