Home / 9,648.18-13,312.08-5,668.52

Finding the Fourth Proportional to 9,648.18, 13,312.08 and 5,668.52

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Solution

The fourth proportional to 9,648.18, 13,312.08 and 5,668.52 is: 7,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.18 : 13,312.08 = 5,668.52 : x
  2. Step 2: Convert to fraction form
    9,648.18/13,312.08 = 5,668.52/x
  3. Step 3: Cross multiply
    9,648.18x = 13,312.08 × 5,668.52
  4. Step 4: Simplify right side
    9,648.18x = 75,459,725.16
  5. Step 5: Solve for x
    x = 75,459,725.16/9,648.18
  6. Step 6: Final answer
    x = 7,821.14

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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.