Home / 9,459.96-13,055.64-7,065.78

Finding the Fourth Proportional to 9,459.96, 13,055.64 and 7,065.78

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Solution

The fourth proportional to 9,459.96, 13,055.64 and 7,065.78 is: 9,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.96 : 13,055.64 = 7,065.78 : x
  2. Step 2: Convert to fraction form
    9,459.96/13,055.64 = 7,065.78/x
  3. Step 3: Cross multiply
    9,459.96x = 13,055.64 × 7,065.78
  4. Step 4: Simplify right side
    9,459.96x = 92,248,280.00
  5. Step 5: Solve for x
    x = 92,248,280.00/9,459.96
  6. Step 6: Final answer
    x = 9,751.45

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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.