Home / 7,948.16-10,968.60-4,411.28

Finding the Fourth Proportional to 7,948.16, 10,968.60 and 4,411.28

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Solution

The fourth proportional to 7,948.16, 10,968.60 and 4,411.28 is: 6,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.16 : 10,968.60 = 4,411.28 : x
  2. Step 2: Convert to fraction form
    7,948.16/10,968.60 = 4,411.28/x
  3. Step 3: Cross multiply
    7,948.16x = 10,968.60 × 4,411.28
  4. Step 4: Simplify right side
    7,948.16x = 48,385,565.81
  5. Step 5: Solve for x
    x = 48,385,565.81/7,948.16
  6. Step 6: Final answer
    x = 6,087.64

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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.