Home / 9,070.39-13,609.49-4,690.92

Finding the Fourth Proportional to 9,070.39, 13,609.49 and 4,690.92

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Solution

The fourth proportional to 9,070.39, 13,609.49 and 4,690.92 is: 7,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.39 : 13,609.49 = 4,690.92 : x
  2. Step 2: Convert to fraction form
    9,070.39/13,609.49 = 4,690.92/x
  3. Step 3: Cross multiply
    9,070.39x = 13,609.49 × 4,690.92
  4. Step 4: Simplify right side
    9,070.39x = 63,841,005.38
  5. Step 5: Solve for x
    x = 63,841,005.38/9,070.39
  6. Step 6: Final answer
    x = 7,038.40

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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.