Home / 9,457.48-13,038.60-6,621.04

Finding the Fourth Proportional to 9,457.48, 13,038.60 and 6,621.04

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Solution

The fourth proportional to 9,457.48, 13,038.60 and 6,621.04 is: 9,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.48 : 13,038.60 = 6,621.04 : x
  2. Step 2: Convert to fraction form
    9,457.48/13,038.60 = 6,621.04/x
  3. Step 3: Cross multiply
    9,457.48x = 13,038.60 × 6,621.04
  4. Step 4: Simplify right side
    9,457.48x = 86,329,092.14
  5. Step 5: Solve for x
    x = 86,329,092.14/9,457.48
  6. Step 6: Final answer
    x = 9,128.13

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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.