Home / 7,627.60-10,526.20-4,643.52

Finding the Fourth Proportional to 7,627.60, 10,526.20 and 4,643.52

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Solution

The fourth proportional to 7,627.60, 10,526.20 and 4,643.52 is: 6,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.60 : 10,526.20 = 4,643.52 : x
  2. Step 2: Convert to fraction form
    7,627.60/10,526.20 = 4,643.52/x
  3. Step 3: Cross multiply
    7,627.60x = 10,526.20 × 4,643.52
  4. Step 4: Simplify right side
    7,627.60x = 48,878,620.22
  5. Step 5: Solve for x
    x = 48,878,620.22/7,627.60
  6. Step 6: Final answer
    x = 6,408.13

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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.