Home / 10,907.16-15,051.17-6,430.69

Finding the Fourth Proportional to 10,907.16, 15,051.17 and 6,430.69

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Solution

The fourth proportional to 10,907.16, 15,051.17 and 6,430.69 is: 8,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.16 : 15,051.17 = 6,430.69 : x
  2. Step 2: Convert to fraction form
    10,907.16/15,051.17 = 6,430.69/x
  3. Step 3: Cross multiply
    10,907.16x = 15,051.17 × 6,430.69
  4. Step 4: Simplify right side
    10,907.16x = 96,789,407.13
  5. Step 5: Solve for x
    x = 96,789,407.13/10,907.16
  6. Step 6: Final answer
    x = 8,873.94

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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.