Home / 9,756.72-13,465.08-5,565.36

Finding the Fourth Proportional to 9,756.72, 13,465.08 and 5,565.36

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Solution

The fourth proportional to 9,756.72, 13,465.08 and 5,565.36 is: 7,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.72 : 13,465.08 = 5,565.36 : x
  2. Step 2: Convert to fraction form
    9,756.72/13,465.08 = 5,565.36/x
  3. Step 3: Cross multiply
    9,756.72x = 13,465.08 × 5,565.36
  4. Step 4: Simplify right side
    9,756.72x = 74,938,017.63
  5. Step 5: Solve for x
    x = 74,938,017.63/9,756.72
  6. Step 6: Final answer
    x = 7,680.66

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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.