Home / 9,851.60-13,590.50-6,666.01

Finding the Fourth Proportional to 9,851.60, 13,590.50 and 6,666.01

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Solution

The fourth proportional to 9,851.60, 13,590.50 and 6,666.01 is: 9,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.60 : 13,590.50 = 6,666.01 : x
  2. Step 2: Convert to fraction form
    9,851.60/13,590.50 = 6,666.01/x
  3. Step 3: Cross multiply
    9,851.60x = 13,590.50 × 6,666.01
  4. Step 4: Simplify right side
    9,851.60x = 90,594,341.60
  5. Step 5: Solve for x
    x = 90,594,341.60/9,851.60
  6. Step 6: Final answer
    x = 9,195.90

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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.