Home / 9,403.04-12,977.00-5,212.10

Finding the Fourth Proportional to 9,403.04, 12,977.00 and 5,212.10

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Solution

The fourth proportional to 9,403.04, 12,977.00 and 5,212.10 is: 7,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.04 : 12,977.00 = 5,212.10 : x
  2. Step 2: Convert to fraction form
    9,403.04/12,977.00 = 5,212.10/x
  3. Step 3: Cross multiply
    9,403.04x = 12,977.00 × 5,212.10
  4. Step 4: Simplify right side
    9,403.04x = 67,637,330.75
  5. Step 5: Solve for x
    x = 67,637,330.75/9,403.04
  6. Step 6: Final answer
    x = 7,193.14

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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.