Home / 10,102.12-15,152.88-4,554.16

Finding the Fourth Proportional to 10,102.12, 15,152.88 and 4,554.16

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Solution

The fourth proportional to 10,102.12, 15,152.88 and 4,554.16 is: 6,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.12 : 15,152.88 = 4,554.16 : x
  2. Step 2: Convert to fraction form
    10,102.12/15,152.88 = 4,554.16/x
  3. Step 3: Cross multiply
    10,102.12x = 15,152.88 × 4,554.16
  4. Step 4: Simplify right side
    10,102.12x = 69,008,639.98
  5. Step 5: Solve for x
    x = 69,008,639.98/10,102.12
  6. Step 6: Final answer
    x = 6,831.10

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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.