Home / 10,558.56-14,567.40-6,308.40

Finding the Fourth Proportional to 10,558.56, 14,567.40 and 6,308.40

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Solution

The fourth proportional to 10,558.56, 14,567.40 and 6,308.40 is: 8,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.56 : 14,567.40 = 6,308.40 : x
  2. Step 2: Convert to fraction form
    10,558.56/14,567.40 = 6,308.40/x
  3. Step 3: Cross multiply
    10,558.56x = 14,567.40 × 6,308.40
  4. Step 4: Simplify right side
    10,558.56x = 91,896,986.16
  5. Step 5: Solve for x
    x = 91,896,986.16/10,558.56
  6. Step 6: Final answer
    x = 8,703.55

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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.