Home / 9,854.64-13,599.56-5,878.08

Finding the Fourth Proportional to 9,854.64, 13,599.56 and 5,878.08

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Solution

The fourth proportional to 9,854.64, 13,599.56 and 5,878.08 is: 8,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.64 : 13,599.56 = 5,878.08 : x
  2. Step 2: Convert to fraction form
    9,854.64/13,599.56 = 5,878.08/x
  3. Step 3: Cross multiply
    9,854.64x = 13,599.56 × 5,878.08
  4. Step 4: Simplify right side
    9,854.64x = 79,939,316.34
  5. Step 5: Solve for x
    x = 79,939,316.34/9,854.64
  6. Step 6: Final answer
    x = 8,111.85

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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.