Home / 12,565.95-17,341.29-7,530.63

Finding the Fourth Proportional to 12,565.95, 17,341.29 and 7,530.63

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Solution

The fourth proportional to 12,565.95, 17,341.29 and 7,530.63 is: 10,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.95 : 17,341.29 = 7,530.63 : x
  2. Step 2: Convert to fraction form
    12,565.95/17,341.29 = 7,530.63/x
  3. Step 3: Cross multiply
    12,565.95x = 17,341.29 × 7,530.63
  4. Step 4: Simplify right side
    12,565.95x = 130,590,838.71
  5. Step 5: Solve for x
    x = 130,590,838.71/12,565.95
  6. Step 6: Final answer
    x = 10,392.44

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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.