Home / 7,526.90-10,387.87-5,635.15

Finding the Fourth Proportional to 7,526.90, 10,387.87 and 5,635.15

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Solution

The fourth proportional to 7,526.90, 10,387.87 and 5,635.15 is: 7,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.90 : 10,387.87 = 5,635.15 : x
  2. Step 2: Convert to fraction form
    7,526.90/10,387.87 = 5,635.15/x
  3. Step 3: Cross multiply
    7,526.90x = 10,387.87 × 5,635.15
  4. Step 4: Simplify right side
    7,526.90x = 58,537,205.63
  5. Step 5: Solve for x
    x = 58,537,205.63/7,526.90
  6. Step 6: Final answer
    x = 7,777.07

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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.