Home / 9,885.65-14,828.54-3,312.35

Finding the Fourth Proportional to 9,885.65, 14,828.54 and 3,312.35

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Solution

The fourth proportional to 9,885.65, 14,828.54 and 3,312.35 is: 4,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.65 : 14,828.54 = 3,312.35 : x
  2. Step 2: Convert to fraction form
    9,885.65/14,828.54 = 3,312.35/x
  3. Step 3: Cross multiply
    9,885.65x = 14,828.54 × 3,312.35
  4. Step 4: Simplify right side
    9,885.65x = 49,117,314.47
  5. Step 5: Solve for x
    x = 49,117,314.47/9,885.65
  6. Step 6: Final answer
    x = 4,968.55

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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.