Home / 9,133.64-12,605.31-5,547.77

Finding the Fourth Proportional to 9,133.64, 12,605.31 and 5,547.77

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Solution

The fourth proportional to 9,133.64, 12,605.31 and 5,547.77 is: 7,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.64 : 12,605.31 = 5,547.77 : x
  2. Step 2: Convert to fraction form
    9,133.64/12,605.31 = 5,547.77/x
  3. Step 3: Cross multiply
    9,133.64x = 12,605.31 × 5,547.77
  4. Step 4: Simplify right side
    9,133.64x = 69,931,360.66
  5. Step 5: Solve for x
    x = 69,931,360.66/9,133.64
  6. Step 6: Final answer
    x = 7,656.46

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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.