Home / 7,312.02-10,968.63-2,381.55

Finding the Fourth Proportional to 7,312.02, 10,968.63 and 2,381.55

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Solution

The fourth proportional to 7,312.02, 10,968.63 and 2,381.55 is: 3,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.02 : 10,968.63 = 2,381.55 : x
  2. Step 2: Convert to fraction form
    7,312.02/10,968.63 = 2,381.55/x
  3. Step 3: Cross multiply
    7,312.02x = 10,968.63 × 2,381.55
  4. Step 4: Simplify right side
    7,312.02x = 26,122,340.78
  5. Step 5: Solve for x
    x = 26,122,340.78/7,312.02
  6. Step 6: Final answer
    x = 3,572.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.