Home / 7,931.56-10,946.21-4,395.10

Finding the Fourth Proportional to 7,931.56, 10,946.21 and 4,395.10

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Solution

The fourth proportional to 7,931.56, 10,946.21 and 4,395.10 is: 6,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.56 : 10,946.21 = 4,395.10 : x
  2. Step 2: Convert to fraction form
    7,931.56/10,946.21 = 4,395.10/x
  3. Step 3: Cross multiply
    7,931.56x = 10,946.21 × 4,395.10
  4. Step 4: Simplify right side
    7,931.56x = 48,109,610.86
  5. Step 5: Solve for x
    x = 48,109,610.86/7,931.56
  6. Step 6: Final answer
    x = 6,065.60

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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.