Home / 7,518.78-10,368.27-4,534.02

Finding the Fourth Proportional to 7,518.78, 10,368.27 and 4,534.02

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Solution

The fourth proportional to 7,518.78, 10,368.27 and 4,534.02 is: 6,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.78 : 10,368.27 = 4,534.02 : x
  2. Step 2: Convert to fraction form
    7,518.78/10,368.27 = 4,534.02/x
  3. Step 3: Cross multiply
    7,518.78x = 10,368.27 × 4,534.02
  4. Step 4: Simplify right side
    7,518.78x = 47,009,943.55
  5. Step 5: Solve for x
    x = 47,009,943.55/7,518.78
  6. Step 6: Final answer
    x = 6,252.34

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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.