Home / 10,357.64-14,293.47-5,641.92

Finding the Fourth Proportional to 10,357.64, 14,293.47 and 5,641.92

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Solution

The fourth proportional to 10,357.64, 14,293.47 and 5,641.92 is: 7,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.64 : 14,293.47 = 5,641.92 : x
  2. Step 2: Convert to fraction form
    10,357.64/14,293.47 = 5,641.92/x
  3. Step 3: Cross multiply
    10,357.64x = 14,293.47 × 5,641.92
  4. Step 4: Simplify right side
    10,357.64x = 80,642,689.02
  5. Step 5: Solve for x
    x = 80,642,689.02/10,357.64
  6. Step 6: Final answer
    x = 7,785.82

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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.