Home / 10,440.04-14,410.04-6,458.88

Finding the Fourth Proportional to 10,440.04, 14,410.04 and 6,458.88

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Solution

The fourth proportional to 10,440.04, 14,410.04 and 6,458.88 is: 8,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.04 : 14,410.04 = 6,458.88 : x
  2. Step 2: Convert to fraction form
    10,440.04/14,410.04 = 6,458.88/x
  3. Step 3: Cross multiply
    10,440.04x = 14,410.04 × 6,458.88
  4. Step 4: Simplify right side
    10,440.04x = 93,072,719.16
  5. Step 5: Solve for x
    x = 93,072,719.16/10,440.04
  6. Step 6: Final answer
    x = 8,914.98

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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.